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Finding the Fourth Proportional to 98,587.32, 147,894.30 and 32,005.86

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Solution

The fourth proportional to 98,587.32, 147,894.30 and 32,005.86 is: 48,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,587.32 : 147,894.30 = 32,005.86 : x
  2. Step 2: Convert to fraction form
    98,587.32/147,894.30 = 32,005.86/x
  3. Step 3: Cross multiply
    98,587.32x = 147,894.30 × 32,005.86
  4. Step 4: Simplify right side
    98,587.32x = 4,733,484,260.60
  5. Step 5: Solve for x
    x = 4,733,484,260.60/98,587.32
  6. Step 6: Final answer
    x = 48,013.11

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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.