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Finding the Fourth Proportional to 360,118.96, 540,178.68 and 93,878.80

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Solution

The fourth proportional to 360,118.96, 540,178.68 and 93,878.80 is: 140,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,118.96 : 540,178.68 = 93,878.80 : x
  2. Step 2: Convert to fraction form
    360,118.96/540,178.68 = 93,878.80/x
  3. Step 3: Cross multiply
    360,118.96x = 540,178.68 × 93,878.80
  4. Step 4: Simplify right side
    360,118.96x = 50,711,326,263.98
  5. Step 5: Solve for x
    x = 50,711,326,263.98/360,118.96
  6. Step 6: Final answer
    x = 140,818.26

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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.