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Finding the Fourth Proportional to 162,044.76, 243,152.50 and 83,158.98

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Solution

The fourth proportional to 162,044.76, 243,152.50 and 83,158.98 is: 124,782.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,044.76 : 243,152.50 = 83,158.98 : x
  2. Step 2: Convert to fraction form
    162,044.76/243,152.50 = 83,158.98/x
  3. Step 3: Cross multiply
    162,044.76x = 243,152.50 × 83,158.98
  4. Step 4: Simplify right side
    162,044.76x = 20,220,313,884.45
  5. Step 5: Solve for x
    x = 20,220,313,884.45/162,044.76
  6. Step 6: Final answer
    x = 124,782.28

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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.