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Finding the Fourth Proportional to 158,952.20, 238,428.30 and 99,829.40

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Solution

The fourth proportional to 158,952.20, 238,428.30 and 99,829.40 is: 149,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,952.20 : 238,428.30 = 99,829.40 : x
  2. Step 2: Convert to fraction form
    158,952.20/238,428.30 = 99,829.40/x
  3. Step 3: Cross multiply
    158,952.20x = 238,428.30 × 99,829.40
  4. Step 4: Simplify right side
    158,952.20x = 23,802,154,132.02
  5. Step 5: Solve for x
    x = 23,802,154,132.02/158,952.20
  6. Step 6: Final answer
    x = 149,744.10

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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.