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Finding the Fourth Proportional to 261,048.88, 360,225.45 and 144,765.69

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Solution

The fourth proportional to 261,048.88, 360,225.45 and 144,765.69 is: 199,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,048.88 : 360,225.45 = 144,765.69 : x
  2. Step 2: Convert to fraction form
    261,048.88/360,225.45 = 144,765.69/x
  3. Step 3: Cross multiply
    261,048.88x = 360,225.45 × 144,765.69
  4. Step 4: Simplify right side
    261,048.88x = 52,148,285,824.81
  5. Step 5: Solve for x
    x = 52,148,285,824.81/261,048.88
  6. Step 6: Final answer
    x = 199,764.45

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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.