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Finding the Fourth Proportional to 115,594, 159,519.90 and 62,602

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Solution

The fourth proportional to 115,594, 159,519.90 and 62,602 is: 86,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,594 : 159,519.90 = 62,602 : x
  2. Step 2: Convert to fraction form
    115,594/159,519.90 = 62,602/x
  3. Step 3: Cross multiply
    115,594x = 159,519.90 × 62,602
  4. Step 4: Simplify right side
    115,594x = 9,986,264,779.80
  5. Step 5: Solve for x
    x = 9,986,264,779.80/115,594
  6. Step 6: Final answer
    x = 86,390.86

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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.