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Finding the Fourth Proportional to 84,875.58, 127,302.03 and 53,288.82

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Solution

The fourth proportional to 84,875.58, 127,302.03 and 53,288.82 is: 79,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,875.58 : 127,302.03 = 53,288.82 : x
  2. Step 2: Convert to fraction form
    84,875.58/127,302.03 = 53,288.82/x
  3. Step 3: Cross multiply
    84,875.58x = 127,302.03 × 53,288.82
  4. Step 4: Simplify right side
    84,875.58x = 6,783,774,962.30
  5. Step 5: Solve for x
    x = 6,783,774,962.30/84,875.58
  6. Step 6: Final answer
    x = 79,926.11

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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.