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Finding the Fourth Proportional to 224,657.73, 310,032.89 and 122,683.89

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Solution

The fourth proportional to 224,657.73, 310,032.89 and 122,683.89 is: 169,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,657.73 : 310,032.89 = 122,683.89 : x
  2. Step 2: Convert to fraction form
    224,657.73/310,032.89 = 122,683.89/x
  3. Step 3: Cross multiply
    224,657.73x = 310,032.89 × 122,683.89
  4. Step 4: Simplify right side
    224,657.73x = 38,036,040,973.14
  5. Step 5: Solve for x
    x = 38,036,040,973.14/224,657.73
  6. Step 6: Final answer
    x = 169,306.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.