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Finding the Fourth Proportional to 108,657.52, 162,946.35 and 37,561.93

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Solution

The fourth proportional to 108,657.52, 162,946.35 and 37,561.93 is: 56,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,657.52 : 162,946.35 = 37,561.93 : x
  2. Step 2: Convert to fraction form
    108,657.52/162,946.35 = 37,561.93/x
  3. Step 3: Cross multiply
    108,657.52x = 162,946.35 × 37,561.93
  4. Step 4: Simplify right side
    108,657.52x = 6,120,578,985.09
  5. Step 5: Solve for x
    x = 6,120,578,985.09/108,657.52
  6. Step 6: Final answer
    x = 56,329.09

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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.