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Finding the Fourth Proportional to 99,657.48, 149,486.76 and 29,537.40

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Solution

The fourth proportional to 99,657.48, 149,486.76 and 29,537.40 is: 44,306.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,657.48 : 149,486.76 = 29,537.40 : x
  2. Step 2: Convert to fraction form
    99,657.48/149,486.76 = 29,537.40/x
  3. Step 3: Cross multiply
    99,657.48x = 149,486.76 × 29,537.40
  4. Step 4: Simplify right side
    99,657.48x = 4,415,450,224.82
  5. Step 5: Solve for x
    x = 4,415,450,224.82/99,657.48
  6. Step 6: Final answer
    x = 44,306.26

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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.