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Finding the Fourth Proportional to 146,547.90, 219,793.05 and 48,051.90

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Solution

The fourth proportional to 146,547.90, 219,793.05 and 48,051.90 is: 72,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,547.90 : 219,793.05 = 48,051.90 : x
  2. Step 2: Convert to fraction form
    146,547.90/219,793.05 = 48,051.90/x
  3. Step 3: Cross multiply
    146,547.90x = 219,793.05 × 48,051.90
  4. Step 4: Simplify right side
    146,547.90x = 10,561,473,659.30
  5. Step 5: Solve for x
    x = 10,561,473,659.30/146,547.90
  6. Step 6: Final answer
    x = 72,068.41

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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.