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Finding the Fourth Proportional to 92,444.76, 127,150.56 and 76,197.78

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Solution

The fourth proportional to 92,444.76, 127,150.56 and 76,197.78 is: 104,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,444.76 : 127,150.56 = 76,197.78 : x
  2. Step 2: Convert to fraction form
    92,444.76/127,150.56 = 76,197.78/x
  3. Step 3: Cross multiply
    92,444.76x = 127,150.56 × 76,197.78
  4. Step 4: Simplify right side
    92,444.76x = 9,688,590,397.76
  5. Step 5: Solve for x
    x = 9,688,590,397.76/92,444.76
  6. Step 6: Final answer
    x = 104,804.11

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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.