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Finding the Fourth Proportional to 113,335.80, 156,406.80 and 62,345.92

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Solution

The fourth proportional to 113,335.80, 156,406.80 and 62,345.92 is: 86,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,335.80 : 156,406.80 = 62,345.92 : x
  2. Step 2: Convert to fraction form
    113,335.80/156,406.80 = 62,345.92/x
  3. Step 3: Cross multiply
    113,335.80x = 156,406.80 × 62,345.92
  4. Step 4: Simplify right side
    113,335.80x = 9,751,325,840.26
  5. Step 5: Solve for x
    x = 9,751,325,840.26/113,335.80
  6. Step 6: Final answer
    x = 86,039.24

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1.5x scale

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.