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Finding the Fourth Proportional to 242,374.80, 363,416.40 and 124,276.80

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Solution

The fourth proportional to 242,374.80, 363,416.40 and 124,276.80 is: 186,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,374.80 : 363,416.40 = 124,276.80 : x
  2. Step 2: Convert to fraction form
    242,374.80/363,416.40 = 124,276.80/x
  3. Step 3: Cross multiply
    242,374.80x = 363,416.40 × 124,276.80
  4. Step 4: Simplify right side
    242,374.80x = 45,164,227,259.52
  5. Step 5: Solve for x
    x = 45,164,227,259.52/242,374.80
  6. Step 6: Final answer
    x = 186,340.44

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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.