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Finding the Fourth Proportional to 141,776.59, 212,694.05 and 97,424.23

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Solution

The fourth proportional to 141,776.59, 212,694.05 and 97,424.23 is: 146,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,776.59 : 212,694.05 = 97,424.23 : x
  2. Step 2: Convert to fraction form
    141,776.59/212,694.05 = 97,424.23/x
  3. Step 3: Cross multiply
    141,776.59x = 212,694.05 × 97,424.23
  4. Step 4: Simplify right side
    141,776.59x = 20,721,553,559.71
  5. Step 5: Solve for x
    x = 20,721,553,559.71/141,776.59
  6. Step 6: Final answer
    x = 146,156.38

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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.