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Finding the Fourth Proportional to 283,030.92, 424,544.46 and 86,038.92

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Solution

The fourth proportional to 283,030.92, 424,544.46 and 86,038.92 is: 129,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,030.92 : 424,544.46 = 86,038.92 : x
  2. Step 2: Convert to fraction form
    283,030.92/424,544.46 = 86,038.92/x
  3. Step 3: Cross multiply
    283,030.92x = 424,544.46 × 86,038.92
  4. Step 4: Simplify right side
    283,030.92x = 36,527,346,830.38
  5. Step 5: Solve for x
    x = 36,527,346,830.38/283,030.92
  6. Step 6: Final answer
    x = 129,057.80

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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.