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Finding the Fourth Proportional to 318,142.69, 477,214.13 and 93,503.16

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Solution

The fourth proportional to 318,142.69, 477,214.13 and 93,503.16 is: 140,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,142.69 : 477,214.13 = 93,503.16 : x
  2. Step 2: Convert to fraction form
    318,142.69/477,214.13 = 93,503.16/x
  3. Step 3: Cross multiply
    318,142.69x = 477,214.13 × 93,503.16
  4. Step 4: Simplify right side
    318,142.69x = 44,621,029,385.41
  5. Step 5: Solve for x
    x = 44,621,029,385.41/318,142.69
  6. Step 6: Final answer
    x = 140,254.77

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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.