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Finding the Fourth Proportional to 233,708.72, 350,438.47 and 121,275.72

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Solution

The fourth proportional to 233,708.72, 350,438.47 and 121,275.72 is: 181,848.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,708.72 : 350,438.47 = 121,275.72 : x
  2. Step 2: Convert to fraction form
    233,708.72/350,438.47 = 121,275.72/x
  3. Step 3: Cross multiply
    233,708.72x = 350,438.47 × 121,275.72
  4. Step 4: Simplify right side
    233,708.72x = 42,499,677,461.76
  5. Step 5: Solve for x
    x = 42,499,677,461.76/233,708.72
  6. Step 6: Final answer
    x = 181,848.92

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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.