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Finding the Fourth Proportional to 225,248.96, 310,812.89 and 134,585.78

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Solution

The fourth proportional to 225,248.96, 310,812.89 and 134,585.78 is: 185,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,248.96 : 310,812.89 = 134,585.78 : x
  2. Step 2: Convert to fraction form
    225,248.96/310,812.89 = 134,585.78/x
  3. Step 3: Cross multiply
    225,248.96x = 310,812.89 × 134,585.78
  4. Step 4: Simplify right side
    225,248.96x = 41,830,993,007.71
  5. Step 5: Solve for x
    x = 41,830,993,007.71/225,248.96
  6. Step 6: Final answer
    x = 185,710.04

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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.