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Finding the Fourth Proportional to 108,465.52, 162,803.26 and 52,345.06

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Solution

The fourth proportional to 108,465.52, 162,803.26 and 52,345.06 is: 78,568.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,465.52 : 162,803.26 = 52,345.06 : x
  2. Step 2: Convert to fraction form
    108,465.52/162,803.26 = 52,345.06/x
  3. Step 3: Cross multiply
    108,465.52x = 162,803.26 × 52,345.06
  4. Step 4: Simplify right side
    108,465.52x = 8,521,946,412.90
  5. Step 5: Solve for x
    x = 8,521,946,412.90/108,465.52
  6. Step 6: Final answer
    x = 78,568.25

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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.