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Finding the Fourth Proportional to 98,587.96, 147,980.58 and 46,034.44

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Solution

The fourth proportional to 98,587.96, 147,980.58 and 46,034.44 is: 69,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,587.96 : 147,980.58 = 46,034.44 : x
  2. Step 2: Convert to fraction form
    98,587.96/147,980.58 = 46,034.44/x
  3. Step 3: Cross multiply
    98,587.96x = 147,980.58 × 46,034.44
  4. Step 4: Simplify right side
    98,587.96x = 6,812,203,131.18
  5. Step 5: Solve for x
    x = 6,812,203,131.18/98,587.96
  6. Step 6: Final answer
    x = 69,097.72

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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.