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Finding the Fourth Proportional to 141,609.70, 212,445.80 and 46,869.40

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Solution

The fourth proportional to 141,609.70, 212,445.80 and 46,869.40 is: 70,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,609.70 : 212,445.80 = 46,869.40 : x
  2. Step 2: Convert to fraction form
    141,609.70/212,445.80 = 46,869.40/x
  3. Step 3: Cross multiply
    141,609.70x = 212,445.80 × 46,869.40
  4. Step 4: Simplify right side
    141,609.70x = 9,957,207,178.52
  5. Step 5: Solve for x
    x = 9,957,207,178.52/141,609.70
  6. Step 6: Final answer
    x = 70,314.44

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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.