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Finding the Fourth Proportional to 98,684.86, 148,064.46 and 59,269.45

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Solution

The fourth proportional to 98,684.86, 148,064.46 and 59,269.45 is: 88,926.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,684.86 : 148,064.46 = 59,269.45 : x
  2. Step 2: Convert to fraction form
    98,684.86/148,064.46 = 59,269.45/x
  3. Step 3: Cross multiply
    98,684.86x = 148,064.46 × 59,269.45
  4. Step 4: Simplify right side
    98,684.86x = 8,775,699,108.75
  5. Step 5: Solve for x
    x = 8,775,699,108.75/98,684.86
  6. Step 6: Final answer
    x = 88,926.50

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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.