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Finding the Fourth Proportional to 158,001.60, 237,002.40 and 99,019.20

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Solution

The fourth proportional to 158,001.60, 237,002.40 and 99,019.20 is: 148,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,001.60 : 237,002.40 = 99,019.20 : x
  2. Step 2: Convert to fraction form
    158,001.60/237,002.40 = 99,019.20/x
  3. Step 3: Cross multiply
    158,001.60x = 237,002.40 × 99,019.20
  4. Step 4: Simplify right side
    158,001.60x = 23,467,788,046.08
  5. Step 5: Solve for x
    x = 23,467,788,046.08/158,001.60
  6. Step 6: Final answer
    x = 148,528.80

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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.