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Finding the Fourth Proportional to 127,246.01, 175,607.39 and 70,657.79

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Solution

The fourth proportional to 127,246.01, 175,607.39 and 70,657.79 is: 97,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,246.01 : 175,607.39 = 70,657.79 : x
  2. Step 2: Convert to fraction form
    127,246.01/175,607.39 = 70,657.79/x
  3. Step 3: Cross multiply
    127,246.01x = 175,607.39 × 70,657.79
  4. Step 4: Simplify right side
    127,246.01x = 12,408,029,383.68
  5. Step 5: Solve for x
    x = 12,408,029,383.68/127,246.01
  6. Step 6: Final answer
    x = 97,512.13

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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.