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Finding the Fourth Proportional to 92,295.18, 138,442.59 and 29,965.50

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Solution

The fourth proportional to 92,295.18, 138,442.59 and 29,965.50 is: 44,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,295.18 : 138,442.59 = 29,965.50 : x
  2. Step 2: Convert to fraction form
    92,295.18/138,442.59 = 29,965.50/x
  3. Step 3: Cross multiply
    92,295.18x = 138,442.59 × 29,965.50
  4. Step 4: Simplify right side
    92,295.18x = 4,148,501,430.65
  5. Step 5: Solve for x
    x = 4,148,501,430.65/92,295.18
  6. Step 6: Final answer
    x = 44,948.19

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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.