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Finding the Fourth Proportional to 98,957.76, 148,457.45 and 32,392.72

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Solution

The fourth proportional to 98,957.76, 148,457.45 and 32,392.72 is: 48,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,957.76 : 148,457.45 = 32,392.72 : x
  2. Step 2: Convert to fraction form
    98,957.76/148,457.45 = 32,392.72/x
  3. Step 3: Cross multiply
    98,957.76x = 148,457.45 × 32,392.72
  4. Step 4: Simplify right side
    98,957.76x = 4,808,940,609.76
  5. Step 5: Solve for x
    x = 4,808,940,609.76/98,957.76
  6. Step 6: Final answer
    x = 48,595.89

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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.