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Finding the Fourth Proportional to 224,689.87, 310,070.41 and 122,715.33

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Solution

The fourth proportional to 224,689.87, 310,070.41 and 122,715.33 is: 169,346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,689.87 : 310,070.41 = 122,715.33 : x
  2. Step 2: Convert to fraction form
    224,689.87/310,070.41 = 122,715.33/x
  3. Step 3: Cross multiply
    224,689.87x = 310,070.41 × 122,715.33
  4. Step 4: Simplify right side
    224,689.87x = 38,050,392,686.39
  5. Step 5: Solve for x
    x = 38,050,392,686.39/224,689.87
  6. Step 6: Final answer
    x = 169,346.28

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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.