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Finding the Fourth Proportional to 126,837, 175,038.96 and 70,253.64

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Solution

The fourth proportional to 126,837, 175,038.96 and 70,253.64 is: 96,952.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,837 : 175,038.96 = 70,253.64 : x
  2. Step 2: Convert to fraction form
    126,837/175,038.96 = 70,253.64/x
  3. Step 3: Cross multiply
    126,837x = 175,038.96 × 70,253.64
  4. Step 4: Simplify right side
    126,837x = 12,297,124,081.81
  5. Step 5: Solve for x
    x = 12,297,124,081.81/126,837
  6. Step 6: Final answer
    x = 96,952.18

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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.