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Finding the Fourth Proportional to 61,068.96, 84,276.54 and 34,210.08

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Solution

The fourth proportional to 61,068.96, 84,276.54 and 34,210.08 is: 47,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,068.96 : 84,276.54 = 34,210.08 : x
  2. Step 2: Convert to fraction form
    61,068.96/84,276.54 = 34,210.08/x
  3. Step 3: Cross multiply
    61,068.96x = 84,276.54 × 34,210.08
  4. Step 4: Simplify right side
    61,068.96x = 2,883,107,175.52
  5. Step 5: Solve for x
    x = 2,883,107,175.52/61,068.96
  6. Step 6: Final answer
    x = 47,210.68

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Why These Related Problems?

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