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Finding the Fourth Proportional to 502,109.01, 753,169.61 and 147,130.23

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Solution

The fourth proportional to 502,109.01, 753,169.61 and 147,130.23 is: 220,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,109.01 : 753,169.61 = 147,130.23 : x
  2. Step 2: Convert to fraction form
    502,109.01/753,169.61 = 147,130.23/x
  3. Step 3: Cross multiply
    502,109.01x = 753,169.61 × 147,130.23
  4. Step 4: Simplify right side
    502,109.01x = 110,814,017,212.66
  5. Step 5: Solve for x
    x = 110,814,017,212.66/502,109.01
  6. Step 6: Final answer
    x = 220,697.13

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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.