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Finding the Fourth Proportional to 180,300.57, 248,798.04 and 99,726.36

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Solution

The fourth proportional to 180,300.57, 248,798.04 and 99,726.36 is: 137,613.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,300.57 : 248,798.04 = 99,726.36 : x
  2. Step 2: Convert to fraction form
    180,300.57/248,798.04 = 99,726.36/x
  3. Step 3: Cross multiply
    180,300.57x = 248,798.04 × 99,726.36
  4. Step 4: Simplify right side
    180,300.57x = 24,811,722,904.33
  5. Step 5: Solve for x
    x = 24,811,722,904.33/180,300.57
  6. Step 6: Final answer
    x = 137,613.11

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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.