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Finding the Fourth Proportional to 127,382.99, 175,784.24 and 70,793.15

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Solution

The fourth proportional to 127,382.99, 175,784.24 and 70,793.15 is: 97,692.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,382.99 : 175,784.24 = 70,793.15 : x
  2. Step 2: Convert to fraction form
    127,382.99/175,784.24 = 70,793.15/x
  3. Step 3: Cross multiply
    127,382.99x = 175,784.24 × 70,793.15
  4. Step 4: Simplify right side
    127,382.99x = 12,444,319,368.02
  5. Step 5: Solve for x
    x = 12,444,319,368.02/127,382.99
  6. Step 6: Final answer
    x = 97,692.16

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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.