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Finding the Fourth Proportional to 233,418.40, 350,127.60 and 64,938.40

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Solution

The fourth proportional to 233,418.40, 350,127.60 and 64,938.40 is: 97,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,418.40 : 350,127.60 = 64,938.40 : x
  2. Step 2: Convert to fraction form
    233,418.40/350,127.60 = 64,938.40/x
  3. Step 3: Cross multiply
    233,418.40x = 350,127.60 × 64,938.40
  4. Step 4: Simplify right side
    233,418.40x = 22,736,726,139.84
  5. Step 5: Solve for x
    x = 22,736,726,139.84/233,418.40
  6. Step 6: Final answer
    x = 97,407.60

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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.