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Finding the Fourth Proportional to 113,501.40, 169,944.90 and 88,925.40

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Solution

The fourth proportional to 113,501.40, 169,944.90 and 88,925.40 is: 133,147.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,501.40 : 169,944.90 = 88,925.40 : x
  2. Step 2: Convert to fraction form
    113,501.40/169,944.90 = 88,925.40/x
  3. Step 3: Cross multiply
    113,501.40x = 169,944.90 × 88,925.40
  4. Step 4: Simplify right side
    113,501.40x = 15,112,418,210.46
  5. Step 5: Solve for x
    x = 15,112,418,210.46/113,501.40
  6. Step 6: Final answer
    x = 133,147.42

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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.