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Finding the Fourth Proportional to 127,058.80, 175,328.76 and 70,468.96

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Solution

The fourth proportional to 127,058.80, 175,328.76 and 70,468.96 is: 97,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,058.80 : 175,328.76 = 70,468.96 : x
  2. Step 2: Convert to fraction form
    127,058.80/175,328.76 = 70,468.96/x
  3. Step 3: Cross multiply
    127,058.80x = 175,328.76 × 70,468.96
  4. Step 4: Simplify right side
    127,058.80x = 12,355,235,375.29
  5. Step 5: Solve for x
    x = 12,355,235,375.29/127,058.80
  6. Step 6: Final answer
    x = 97,240.30

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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.