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Finding the Fourth Proportional to 113,166.98, 169,728.60 and 107,547.20

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Solution

The fourth proportional to 113,166.98, 169,728.60 and 107,547.20 is: 161,300.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,166.98 : 169,728.60 = 107,547.20 : x
  2. Step 2: Convert to fraction form
    113,166.98/169,728.60 = 107,547.20/x
  3. Step 3: Cross multiply
    113,166.98x = 169,728.60 × 107,547.20
  4. Step 4: Simplify right side
    113,166.98x = 18,253,835,689.92
  5. Step 5: Solve for x
    x = 18,253,835,689.92/113,166.98
  6. Step 6: Final answer
    x = 161,300.02

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1.5x scale

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.