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Finding the Fourth Proportional to 92,657.38, 127,880.90 and 58,669.01

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Solution

The fourth proportional to 92,657.38, 127,880.90 and 58,669.01 is: 80,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,657.38 : 127,880.90 = 58,669.01 : x
  2. Step 2: Convert to fraction form
    92,657.38/127,880.90 = 58,669.01/x
  3. Step 3: Cross multiply
    92,657.38x = 127,880.90 × 58,669.01
  4. Step 4: Simplify right side
    92,657.38x = 7,502,645,800.91
  5. Step 5: Solve for x
    x = 7,502,645,800.91/92,657.38
  6. Step 6: Final answer
    x = 80,971.92

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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.