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Finding the Fourth Proportional to 58,883.76, 88,121.52 and 56,434.32

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Solution

The fourth proportional to 58,883.76, 88,121.52 and 56,434.32 is: 84,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,883.76 : 88,121.52 = 56,434.32 : x
  2. Step 2: Convert to fraction form
    58,883.76/88,121.52 = 56,434.32/x
  3. Step 3: Cross multiply
    58,883.76x = 88,121.52 × 56,434.32
  4. Step 4: Simplify right side
    58,883.76x = 4,973,078,058.57
  5. Step 5: Solve for x
    x = 4,973,078,058.57/58,883.76
  6. Step 6: Final answer
    x = 84,455.85

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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.