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Finding the Fourth Proportional to 130,248.16, 179,745.84 and 73,668.16

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Solution

The fourth proportional to 130,248.16, 179,745.84 and 73,668.16 is: 101,663.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,248.16 : 179,745.84 = 73,668.16 : x
  2. Step 2: Convert to fraction form
    130,248.16/179,745.84 = 73,668.16/x
  3. Step 3: Cross multiply
    130,248.16x = 179,745.84 × 73,668.16
  4. Step 4: Simplify right side
    130,248.16x = 13,241,545,300.45
  5. Step 5: Solve for x
    x = 13,241,545,300.45/130,248.16
  6. Step 6: Final answer
    x = 101,663.97

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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.