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Finding the Fourth Proportional to 127,410.30, 175,810.94 and 70,040.16

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Solution

The fourth proportional to 127,410.30, 175,810.94 and 70,040.16 is: 96,647.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,410.30 : 175,810.94 = 70,040.16 : x
  2. Step 2: Convert to fraction form
    127,410.30/175,810.94 = 70,040.16/x
  3. Step 3: Cross multiply
    127,410.30x = 175,810.94 × 70,040.16
  4. Step 4: Simplify right side
    127,410.30x = 12,313,826,279.80
  5. Step 5: Solve for x
    x = 12,313,826,279.80/127,410.30
  6. Step 6: Final answer
    x = 96,647.02

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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.