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Finding the Fourth Proportional to 157,410.90, 236,116.35 and 101,423.70

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Solution

The fourth proportional to 157,410.90, 236,116.35 and 101,423.70 is: 152,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,410.90 : 236,116.35 = 101,423.70 : x
  2. Step 2: Convert to fraction form
    157,410.90/236,116.35 = 101,423.70/x
  3. Step 3: Cross multiply
    157,410.90x = 236,116.35 × 101,423.70
  4. Step 4: Simplify right side
    157,410.90x = 23,947,793,847.50
  5. Step 5: Solve for x
    x = 23,947,793,847.50/157,410.90
  6. Step 6: Final answer
    x = 152,135.55

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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.