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Finding the Fourth Proportional to 224,242.40, 336,362.08 and 66,471.68

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Solution

The fourth proportional to 224,242.40, 336,362.08 and 66,471.68 is: 99,707.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,242.40 : 336,362.08 = 66,471.68 : x
  2. Step 2: Convert to fraction form
    224,242.40/336,362.08 = 66,471.68/x
  3. Step 3: Cross multiply
    224,242.40x = 336,362.08 × 66,471.68
  4. Step 4: Simplify right side
    224,242.40x = 22,358,552,545.89
  5. Step 5: Solve for x
    x = 22,358,552,545.89/224,242.40
  6. Step 6: Final answer
    x = 99,707.07

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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.