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Finding the Fourth Proportional to 113,841.88, 157,146.12 and 101,884.45

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Solution

The fourth proportional to 113,841.88, 157,146.12 and 101,884.45 is: 140,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,841.88 : 157,146.12 = 101,884.45 : x
  2. Step 2: Convert to fraction form
    113,841.88/157,146.12 = 101,884.45/x
  3. Step 3: Cross multiply
    113,841.88x = 157,146.12 × 101,884.45
  4. Step 4: Simplify right side
    113,841.88x = 16,010,746,005.83
  5. Step 5: Solve for x
    x = 16,010,746,005.83/113,841.88
  6. Step 6: Final answer
    x = 140,640.21

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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.