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Finding the Fourth Proportional to 98,608.16, 148,000.08 and 46,046.72

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Solution

The fourth proportional to 98,608.16, 148,000.08 and 46,046.72 is: 69,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,608.16 : 148,000.08 = 46,046.72 : x
  2. Step 2: Convert to fraction form
    98,608.16/148,000.08 = 46,046.72/x
  3. Step 3: Cross multiply
    98,608.16x = 148,000.08 × 46,046.72
  4. Step 4: Simplify right side
    98,608.16x = 6,814,918,243.74
  5. Step 5: Solve for x
    x = 6,814,918,243.74/98,608.16
  6. Step 6: Final answer
    x = 69,111.10

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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.