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Finding the Fourth Proportional to 240,681.16, 361,055.22 and 100,407.52

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Solution

The fourth proportional to 240,681.16, 361,055.22 and 100,407.52 is: 150,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,681.16 : 361,055.22 = 100,407.52 : x
  2. Step 2: Convert to fraction form
    240,681.16/361,055.22 = 100,407.52/x
  3. Step 3: Cross multiply
    240,681.16x = 361,055.22 × 100,407.52
  4. Step 4: Simplify right side
    240,681.16x = 36,252,659,223.25
  5. Step 5: Solve for x
    x = 36,252,659,223.25/240,681.16
  6. Step 6: Final answer
    x = 150,625.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.