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Finding the Fourth Proportional to 107,892.91, 148,900.34 and 62,570.53

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Solution

The fourth proportional to 107,892.91, 148,900.34 and 62,570.53 is: 86,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,892.91 : 148,900.34 = 62,570.53 : x
  2. Step 2: Convert to fraction form
    107,892.91/148,900.34 = 62,570.53/x
  3. Step 3: Cross multiply
    107,892.91x = 148,900.34 × 62,570.53
  4. Step 4: Simplify right side
    107,892.91x = 9,316,772,432.00
  5. Step 5: Solve for x
    x = 9,316,772,432.00/107,892.91
  6. Step 6: Final answer
    x = 86,352.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.