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Finding the Fourth Proportional to 229,875.40, 344,607.90 and 89,601.40

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Solution

The fourth proportional to 229,875.40, 344,607.90 and 89,601.40 is: 134,322.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,875.40 : 344,607.90 = 89,601.40 : x
  2. Step 2: Convert to fraction form
    229,875.40/344,607.90 = 89,601.40/x
  3. Step 3: Cross multiply
    229,875.40x = 344,607.90 × 89,601.40
  4. Step 4: Simplify right side
    229,875.40x = 30,877,350,291.06
  5. Step 5: Solve for x
    x = 30,877,350,291.06/229,875.40
  6. Step 6: Final answer
    x = 134,322.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.