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Finding the Fourth Proportional to 185,807.51, 279,950.87 and 168,058.65

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Solution

The fourth proportional to 185,807.51, 279,950.87 and 168,058.65 is: 253,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,807.51 : 279,950.87 = 168,058.65 : x
  2. Step 2: Convert to fraction form
    185,807.51/279,950.87 = 168,058.65/x
  3. Step 3: Cross multiply
    185,807.51x = 279,950.87 × 168,058.65
  4. Step 4: Simplify right side
    185,807.51x = 47,048,165,278.53
  5. Step 5: Solve for x
    x = 47,048,165,278.53/185,807.51
  6. Step 6: Final answer
    x = 253,209.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.