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Finding the Fourth Proportional to 92,707.75, 127,957.58 and 54,479.58

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Solution

The fourth proportional to 92,707.75, 127,957.58 and 54,479.58 is: 75,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,707.75 : 127,957.58 = 54,479.58 : x
  2. Step 2: Convert to fraction form
    92,707.75/127,957.58 = 54,479.58/x
  3. Step 3: Cross multiply
    92,707.75x = 127,957.58 × 54,479.58
  4. Step 4: Simplify right side
    92,707.75x = 6,971,075,352.42
  5. Step 5: Solve for x
    x = 6,971,075,352.42/92,707.75
  6. Step 6: Final answer
    x = 75,194.10

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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.