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Finding the Fourth Proportional to 92,479.84, 127,608.49 and 56,162.40

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Solution

The fourth proportional to 92,479.84, 127,608.49 and 56,162.40 is: 77,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,479.84 : 127,608.49 = 56,162.40 : x
  2. Step 2: Convert to fraction form
    92,479.84/127,608.49 = 56,162.40/x
  3. Step 3: Cross multiply
    92,479.84x = 127,608.49 × 56,162.40
  4. Step 4: Simplify right side
    92,479.84x = 7,166,799,058.78
  5. Step 5: Solve for x
    x = 7,166,799,058.78/92,479.84
  6. Step 6: Final answer
    x = 77,495.80

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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.