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Finding the Fourth Proportional to 162,034.20, 243,051.30 and 147,259.80

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Solution

The fourth proportional to 162,034.20, 243,051.30 and 147,259.80 is: 220,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,034.20 : 243,051.30 = 147,259.80 : x
  2. Step 2: Convert to fraction form
    162,034.20/243,051.30 = 147,259.80/x
  3. Step 3: Cross multiply
    162,034.20x = 243,051.30 × 147,259.80
  4. Step 4: Simplify right side
    162,034.20x = 35,791,685,827.74
  5. Step 5: Solve for x
    x = 35,791,685,827.74/162,034.20
  6. Step 6: Final answer
    x = 220,889.70

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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.