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Finding the Fourth Proportional to 181,775.70, 272,663.55 and 103,043.70

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Solution

The fourth proportional to 181,775.70, 272,663.55 and 103,043.70 is: 154,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,775.70 : 272,663.55 = 103,043.70 : x
  2. Step 2: Convert to fraction form
    181,775.70/272,663.55 = 103,043.70/x
  3. Step 3: Cross multiply
    181,775.70x = 272,663.55 × 103,043.70
  4. Step 4: Simplify right side
    181,775.70x = 28,096,261,047.14
  5. Step 5: Solve for x
    x = 28,096,261,047.14/181,775.70
  6. Step 6: Final answer
    x = 154,565.55

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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.