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Finding the Fourth Proportional to 127,095.52, 175,412.80 and 70,525.12

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Solution

The fourth proportional to 127,095.52, 175,412.80 and 70,525.12 is: 97,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,095.52 : 175,412.80 = 70,525.12 : x
  2. Step 2: Convert to fraction form
    127,095.52/175,412.80 = 70,525.12/x
  3. Step 3: Cross multiply
    127,095.52x = 175,412.80 × 70,525.12
  4. Step 4: Simplify right side
    127,095.52x = 12,371,008,769.54
  5. Step 5: Solve for x
    x = 12,371,008,769.54/127,095.52
  6. Step 6: Final answer
    x = 97,336.31

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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.