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Finding the Fourth Proportional to 126,671.64, 174,799.62 and 70,079.64

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Solution

The fourth proportional to 126,671.64, 174,799.62 and 70,079.64 is: 96,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,671.64 : 174,799.62 = 70,079.64 : x
  2. Step 2: Convert to fraction form
    126,671.64/174,799.62 = 70,079.64/x
  3. Step 3: Cross multiply
    126,671.64x = 174,799.62 × 70,079.64
  4. Step 4: Simplify right side
    126,671.64x = 12,249,894,441.74
  5. Step 5: Solve for x
    x = 12,249,894,441.74/126,671.64
  6. Step 6: Final answer
    x = 96,705.90

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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.