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Finding the Fourth Proportional to 240,045.58, 360,194.10 and 155,785.90

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Solution

The fourth proportional to 240,045.58, 360,194.10 and 155,785.90 is: 233,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,045.58 : 360,194.10 = 155,785.90 : x
  2. Step 2: Convert to fraction form
    240,045.58/360,194.10 = 155,785.90/x
  3. Step 3: Cross multiply
    240,045.58x = 360,194.10 × 155,785.90
  4. Step 4: Simplify right side
    240,045.58x = 56,113,162,043.19
  5. Step 5: Solve for x
    x = 56,113,162,043.19/240,045.58
  6. Step 6: Final answer
    x = 233,760.45

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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.