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Finding the Fourth Proportional to 141,572.70, 212,359.05 and 115,652.70

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Solution

The fourth proportional to 141,572.70, 212,359.05 and 115,652.70 is: 173,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,572.70 : 212,359.05 = 115,652.70 : x
  2. Step 2: Convert to fraction form
    141,572.70/212,359.05 = 115,652.70/x
  3. Step 3: Cross multiply
    141,572.70x = 212,359.05 × 115,652.70
  4. Step 4: Simplify right side
    141,572.70x = 24,559,897,501.94
  5. Step 5: Solve for x
    x = 24,559,897,501.94/141,572.70
  6. Step 6: Final answer
    x = 173,479.05

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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.