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Finding the Fourth Proportional to 160,484.57, 240,729.58 and 60,691.76

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Solution

The fourth proportional to 160,484.57, 240,729.58 and 60,691.76 is: 91,038.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,484.57 : 240,729.58 = 60,691.76 : x
  2. Step 2: Convert to fraction form
    160,484.57/240,729.58 = 60,691.76/x
  3. Step 3: Cross multiply
    160,484.57x = 240,729.58 × 60,691.76
  4. Step 4: Simplify right side
    160,484.57x = 14,610,301,894.26
  5. Step 5: Solve for x
    x = 14,610,301,894.26/160,484.57
  6. Step 6: Final answer
    x = 91,038.67

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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.