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Finding the Fourth Proportional to 127,411.80, 175,813.01 and 70,041.66

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Solution

The fourth proportional to 127,411.80, 175,813.01 and 70,041.66 is: 96,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,411.80 : 175,813.01 = 70,041.66 : x
  2. Step 2: Convert to fraction form
    127,411.80/175,813.01 = 70,041.66/x
  3. Step 3: Cross multiply
    127,411.80x = 175,813.01 × 70,041.66
  4. Step 4: Simplify right side
    127,411.80x = 12,314,234,719.79
  5. Step 5: Solve for x
    x = 12,314,234,719.79/127,411.80
  6. Step 6: Final answer
    x = 96,649.09

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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.