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Finding the Fourth Proportional to 154,807.16, 232,210.92 and 42,488.91

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Solution

The fourth proportional to 154,807.16, 232,210.92 and 42,488.91 is: 63,733.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,807.16 : 232,210.92 = 42,488.91 : x
  2. Step 2: Convert to fraction form
    154,807.16/232,210.92 = 42,488.91/x
  3. Step 3: Cross multiply
    154,807.16x = 232,210.92 × 42,488.91
  4. Step 4: Simplify right side
    154,807.16x = 9,866,388,880.90
  5. Step 5: Solve for x
    x = 9,866,388,880.90/154,807.16
  6. Step 6: Final answer
    x = 63,733.42

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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.