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Finding the Fourth Proportional to 283,543.68, 425,398.68 and 83,869.32

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Solution

The fourth proportional to 283,543.68, 425,398.68 and 83,869.32 is: 125,828.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,543.68 : 425,398.68 = 83,869.32 : x
  2. Step 2: Convert to fraction form
    283,543.68/425,398.68 = 83,869.32/x
  3. Step 3: Cross multiply
    283,543.68x = 425,398.68 × 83,869.32
  4. Step 4: Simplify right side
    283,543.68x = 35,677,898,020.50
  5. Step 5: Solve for x
    x = 35,677,898,020.50/283,543.68
  6. Step 6: Final answer
    x = 125,828.58

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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.