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Finding the Fourth Proportional to 127,299.56, 175,668.48 and 70,714.52

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Solution

The fourth proportional to 127,299.56, 175,668.48 and 70,714.52 is: 97,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,299.56 : 175,668.48 = 70,714.52 : x
  2. Step 2: Convert to fraction form
    127,299.56/175,668.48 = 70,714.52/x
  3. Step 3: Cross multiply
    127,299.56x = 175,668.48 × 70,714.52
  4. Step 4: Simplify right side
    127,299.56x = 12,422,312,242.33
  5. Step 5: Solve for x
    x = 12,422,312,242.33/127,299.56
  6. Step 6: Final answer
    x = 97,583.31

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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.