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Finding the Fourth Proportional to 141,657.60, 212,494.08 and 52,934.40

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Solution

The fourth proportional to 141,657.60, 212,494.08 and 52,934.40 is: 79,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,657.60 : 212,494.08 = 52,934.40 : x
  2. Step 2: Convert to fraction form
    141,657.60/212,494.08 = 52,934.40/x
  3. Step 3: Cross multiply
    141,657.60x = 212,494.08 × 52,934.40
  4. Step 4: Simplify right side
    141,657.60x = 11,248,246,628.35
  5. Step 5: Solve for x
    x = 11,248,246,628.35/141,657.60
  6. Step 6: Final answer
    x = 79,404.47

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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.