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Finding the Fourth Proportional to 96,547.98, 144,780.90 and 43,990.86

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Solution

The fourth proportional to 96,547.98, 144,780.90 and 43,990.86 is: 65,967.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,547.98 : 144,780.90 = 43,990.86 : x
  2. Step 2: Convert to fraction form
    96,547.98/144,780.90 = 43,990.86/x
  3. Step 3: Cross multiply
    96,547.98x = 144,780.90 × 43,990.86
  4. Step 4: Simplify right side
    96,547.98x = 6,369,036,302.57
  5. Step 5: Solve for x
    x = 6,369,036,302.57/96,547.98
  6. Step 6: Final answer
    x = 65,967.58

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1.5x scale

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.