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Finding the Fourth Proportional to 127,393.56, 175,805.35 and 70,035.30

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Solution

The fourth proportional to 127,393.56, 175,805.35 and 70,035.30 is: 96,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,393.56 : 175,805.35 = 70,035.30 : x
  2. Step 2: Convert to fraction form
    127,393.56/175,805.35 = 70,035.30/x
  3. Step 3: Cross multiply
    127,393.56x = 175,805.35 × 70,035.30
  4. Step 4: Simplify right side
    127,393.56x = 12,312,580,253.77
  5. Step 5: Solve for x
    x = 12,312,580,253.77/127,393.56
  6. Step 6: Final answer
    x = 96,649.94

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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.