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Finding the Fourth Proportional to 92,302.98, 127,378.68 and 54,085.10

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Solution

The fourth proportional to 92,302.98, 127,378.68 and 54,085.10 is: 74,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,302.98 : 127,378.68 = 54,085.10 : x
  2. Step 2: Convert to fraction form
    92,302.98/127,378.68 = 54,085.10/x
  3. Step 3: Cross multiply
    92,302.98x = 127,378.68 × 54,085.10
  4. Step 4: Simplify right side
    92,302.98x = 6,889,288,645.67
  5. Step 5: Solve for x
    x = 6,889,288,645.67/92,302.98
  6. Step 6: Final answer
    x = 74,637.77

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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.