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Finding the Fourth Proportional to 92,277.80, 129,276.40 and 92,277.80

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Solution

The fourth proportional to 92,277.80, 129,276.40 and 92,277.80 is: 129,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,277.80 : 129,276.40 = 92,277.80 : x
  2. Step 2: Convert to fraction form
    92,277.80/129,276.40 = 92,277.80/x
  3. Step 3: Cross multiply
    92,277.80x = 129,276.40 × 92,277.80
  4. Step 4: Simplify right side
    92,277.80x = 11,929,341,783.92
  5. Step 5: Solve for x
    x = 11,929,341,783.92/92,277.80
  6. Step 6: Final answer
    x = 129,276.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.