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Finding the Fourth Proportional to 153,186.80, 229,233.45 and 97,053.80

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Solution

The fourth proportional to 153,186.80, 229,233.45 and 97,053.80 is: 145,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,186.80 : 229,233.45 = 97,053.80 : x
  2. Step 2: Convert to fraction form
    153,186.80/229,233.45 = 97,053.80/x
  3. Step 3: Cross multiply
    153,186.80x = 229,233.45 × 97,053.80
  4. Step 4: Simplify right side
    153,186.80x = 22,247,977,409.61
  5. Step 5: Solve for x
    x = 22,247,977,409.61/153,186.80
  6. Step 6: Final answer
    x = 145,234.30

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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.