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Finding the Fourth Proportional to 154,703.38, 232,055.29 and 42,384.58

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Solution

The fourth proportional to 154,703.38, 232,055.29 and 42,384.58 is: 63,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,703.38 : 232,055.29 = 42,384.58 : x
  2. Step 2: Convert to fraction form
    154,703.38/232,055.29 = 42,384.58/x
  3. Step 3: Cross multiply
    154,703.38x = 232,055.29 × 42,384.58
  4. Step 4: Simplify right side
    154,703.38x = 9,835,566,003.43
  5. Step 5: Solve for x
    x = 9,835,566,003.43/154,703.38
  6. Step 6: Final answer
    x = 63,576.93

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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.