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Finding the Fourth Proportional to 102,527.10, 153,790.65 and 83,864.70

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Solution

The fourth proportional to 102,527.10, 153,790.65 and 83,864.70 is: 125,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,527.10 : 153,790.65 = 83,864.70 : x
  2. Step 2: Convert to fraction form
    102,527.10/153,790.65 = 83,864.70/x
  3. Step 3: Cross multiply
    102,527.10x = 153,790.65 × 83,864.70
  4. Step 4: Simplify right side
    102,527.10x = 12,897,606,725.06
  5. Step 5: Solve for x
    x = 12,897,606,725.06/102,527.10
  6. Step 6: Final answer
    x = 125,797.05

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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.