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Finding the Fourth Proportional to 163,390.14, 245,085.18 and 52,582.14

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Solution

The fourth proportional to 163,390.14, 245,085.18 and 52,582.14 is: 78,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,390.14 : 245,085.18 = 52,582.14 : x
  2. Step 2: Convert to fraction form
    163,390.14/245,085.18 = 52,582.14/x
  3. Step 3: Cross multiply
    163,390.14x = 245,085.18 × 52,582.14
  4. Step 4: Simplify right side
    163,390.14x = 12,887,103,246.69
  5. Step 5: Solve for x
    x = 12,887,103,246.69/163,390.14
  6. Step 6: Final answer
    x = 78,873.20

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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.