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Finding the Fourth Proportional to 65,098.74, 97,547.62 and 43,955.90

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Solution

The fourth proportional to 65,098.74, 97,547.62 and 43,955.90 is: 65,866.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,098.74 : 97,547.62 = 43,955.90 : x
  2. Step 2: Convert to fraction form
    65,098.74/97,547.62 = 43,955.90/x
  3. Step 3: Cross multiply
    65,098.74x = 97,547.62 × 43,955.90
  4. Step 4: Simplify right side
    65,098.74x = 4,287,793,429.96
  5. Step 5: Solve for x
    x = 4,287,793,429.96/65,098.74
  6. Step 6: Final answer
    x = 65,866.00

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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.