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Finding the Fourth Proportional to 166,721,549.40, 233,750,291.40 and 166,721,549.40

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Solution

The fourth proportional to 166,721,549.40, 233,750,291.40 and 166,721,549.40 is: 233,750,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,721,549.40 : 233,750,291.40 = 166,721,549.40 : x
  2. Step 2: Convert to fraction form
    166,721,549.40/233,750,291.40 = 166,721,549.40/x
  3. Step 3: Cross multiply
    166,721,549.40x = 233,750,291.40 × 166,721,549.40
  4. Step 4: Simplify right side
    166,721,549.40x = 38,971,210,754,909,496
  5. Step 5: Solve for x
    x = 38,971,210,754,909,496/166,721,549.40
  6. Step 6: Final answer
    x = 233,750,291.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.