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Finding the Fourth Proportional to 64,129.70, 88,499.28 and 35,058.67

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Solution

The fourth proportional to 64,129.70, 88,499.28 and 35,058.67 is: 48,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,129.70 : 88,499.28 = 35,058.67 : x
  2. Step 2: Convert to fraction form
    64,129.70/88,499.28 = 35,058.67/x
  3. Step 3: Cross multiply
    64,129.70x = 88,499.28 × 35,058.67
  4. Step 4: Simplify right side
    64,129.70x = 3,102,666,962.98
  5. Step 5: Solve for x
    x = 3,102,666,962.98/64,129.70
  6. Step 6: Final answer
    x = 48,381.12

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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.