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Finding the Fourth Proportional to 103,577.65, 142,915.73 and 60,548.83

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Solution

The fourth proportional to 103,577.65, 142,915.73 and 60,548.83 is: 83,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,577.65 : 142,915.73 = 60,548.83 : x
  2. Step 2: Convert to fraction form
    103,577.65/142,915.73 = 60,548.83/x
  3. Step 3: Cross multiply
    103,577.65x = 142,915.73 × 60,548.83
  4. Step 4: Simplify right side
    103,577.65x = 8,653,379,580.06
  5. Step 5: Solve for x
    x = 8,653,379,580.06/103,577.65
  6. Step 6: Final answer
    x = 83,544.86

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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.