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Finding the Fourth Proportional to 92,443.48, 127,561.03 and 52,154.89

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Solution

The fourth proportional to 92,443.48, 127,561.03 and 52,154.89 is: 71,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,443.48 : 127,561.03 = 52,154.89 : x
  2. Step 2: Convert to fraction form
    92,443.48/127,561.03 = 52,154.89/x
  3. Step 3: Cross multiply
    92,443.48x = 127,561.03 × 52,154.89
  4. Step 4: Simplify right side
    92,443.48x = 6,652,931,038.65
  5. Step 5: Solve for x
    x = 6,652,931,038.65/92,443.48
  6. Step 6: Final answer
    x = 71,967.55

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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.