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Finding the Fourth Proportional to 283,482.71, 425,085.48 and 123,693.68

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Solution

The fourth proportional to 283,482.71, 425,085.48 and 123,693.68 is: 185,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,482.71 : 425,085.48 = 123,693.68 : x
  2. Step 2: Convert to fraction form
    283,482.71/425,085.48 = 123,693.68/x
  3. Step 3: Cross multiply
    283,482.71x = 425,085.48 × 123,693.68
  4. Step 4: Simplify right side
    283,482.71x = 52,580,387,335.77
  5. Step 5: Solve for x
    x = 52,580,387,335.77/283,482.71
  6. Step 6: Final answer
    x = 185,480.05

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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.