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Finding the Fourth Proportional to 141,330.80, 211,931.40 and 62,404.40

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Solution

The fourth proportional to 141,330.80, 211,931.40 and 62,404.40 is: 93,577.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,330.80 : 211,931.40 = 62,404.40 : x
  2. Step 2: Convert to fraction form
    141,330.80/211,931.40 = 62,404.40/x
  3. Step 3: Cross multiply
    141,330.80x = 211,931.40 × 62,404.40
  4. Step 4: Simplify right side
    141,330.80x = 13,225,451,858.16
  5. Step 5: Solve for x
    x = 13,225,451,858.16/141,330.80
  6. Step 6: Final answer
    x = 93,577.99

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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.