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Finding the Fourth Proportional to 98,349.80, 147,582.30 and 36,026.60

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Solution

The fourth proportional to 98,349.80, 147,582.30 and 36,026.60 is: 54,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,349.80 : 147,582.30 = 36,026.60 : x
  2. Step 2: Convert to fraction form
    98,349.80/147,582.30 = 36,026.60/x
  3. Step 3: Cross multiply
    98,349.80x = 147,582.30 × 36,026.60
  4. Step 4: Simplify right side
    98,349.80x = 5,316,888,489.18
  5. Step 5: Solve for x
    x = 5,316,888,489.18/98,349.80
  6. Step 6: Final answer
    x = 54,061.00

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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.