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Finding the Fourth Proportional to 113,080.17, 155,892.99 and 92,590.71

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Solution

The fourth proportional to 113,080.17, 155,892.99 and 92,590.71 is: 127,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,080.17 : 155,892.99 = 92,590.71 : x
  2. Step 2: Convert to fraction form
    113,080.17/155,892.99 = 92,590.71/x
  3. Step 3: Cross multiply
    113,080.17x = 155,892.99 × 92,590.71
  4. Step 4: Simplify right side
    113,080.17x = 14,434,242,746.81
  5. Step 5: Solve for x
    x = 14,434,242,746.81/113,080.17
  6. Step 6: Final answer
    x = 127,646.10

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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.