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Finding the Fourth Proportional to 153,036.98, 229,429.10 and 67,586.98

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Solution

The fourth proportional to 153,036.98, 229,429.10 and 67,586.98 is: 101,324.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,036.98 : 229,429.10 = 67,586.98 : x
  2. Step 2: Convert to fraction form
    153,036.98/229,429.10 = 67,586.98/x
  3. Step 3: Cross multiply
    153,036.98x = 229,429.10 × 67,586.98
  4. Step 4: Simplify right side
    153,036.98x = 15,506,419,993.12
  5. Step 5: Solve for x
    x = 15,506,419,993.12/153,036.98
  6. Step 6: Final answer
    x = 101,324.66

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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.