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Finding the Fourth Proportional to 85,547, 118,052.70 and 47,821.52

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Solution

The fourth proportional to 85,547, 118,052.70 and 47,821.52 is: 65,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,547 : 118,052.70 = 47,821.52 : x
  2. Step 2: Convert to fraction form
    85,547/118,052.70 = 47,821.52/x
  3. Step 3: Cross multiply
    85,547x = 118,052.70 × 47,821.52
  4. Step 4: Simplify right side
    85,547x = 5,645,459,554.10
  5. Step 5: Solve for x
    x = 5,645,459,554.10/85,547
  6. Step 6: Final answer
    x = 65,992.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.