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Finding the Fourth Proportional to 101,113.56, 151,702.71 and 48,526.74

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Solution

The fourth proportional to 101,113.56, 151,702.71 and 48,526.74 is: 72,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,113.56 : 151,702.71 = 48,526.74 : x
  2. Step 2: Convert to fraction form
    101,113.56/151,702.71 = 48,526.74/x
  3. Step 3: Cross multiply
    101,113.56x = 151,702.71 × 48,526.74
  4. Step 4: Simplify right side
    101,113.56x = 7,361,637,965.47
  5. Step 5: Solve for x
    x = 7,361,637,965.47/101,113.56
  6. Step 6: Final answer
    x = 72,805.65

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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.