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Finding the Fourth Proportional to 200,995.52, 277,374.88 and 125,587.76

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Solution

The fourth proportional to 200,995.52, 277,374.88 and 125,587.76 is: 173,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,995.52 : 277,374.88 = 125,587.76 : x
  2. Step 2: Convert to fraction form
    200,995.52/277,374.88 = 125,587.76/x
  3. Step 3: Cross multiply
    200,995.52x = 277,374.88 × 125,587.76
  4. Step 4: Simplify right side
    200,995.52x = 34,834,889,859.47
  5. Step 5: Solve for x
    x = 34,834,889,859.47/200,995.52
  6. Step 6: Final answer
    x = 173,311.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.