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Finding the Fourth Proportional to 92,102.88, 127,106.64 and 54,376.32

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Solution

The fourth proportional to 92,102.88, 127,106.64 and 54,376.32 is: 75,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,102.88 : 127,106.64 = 54,376.32 : x
  2. Step 2: Convert to fraction form
    92,102.88/127,106.64 = 54,376.32/x
  3. Step 3: Cross multiply
    92,102.88x = 127,106.64 × 54,376.32
  4. Step 4: Simplify right side
    92,102.88x = 6,911,591,330.76
  5. Step 5: Solve for x
    x = 6,911,591,330.76/92,102.88
  6. Step 6: Final answer
    x = 75,042.08

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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.