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Finding the Fourth Proportional to 112,477.60, 168,497.70 and 62,468.20

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Solution

The fourth proportional to 112,477.60, 168,497.70 and 62,468.20 is: 93,580.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,477.60 : 168,497.70 = 62,468.20 : x
  2. Step 2: Convert to fraction form
    112,477.60/168,497.70 = 62,468.20/x
  3. Step 3: Cross multiply
    112,477.60x = 168,497.70 × 62,468.20
  4. Step 4: Simplify right side
    112,477.60x = 10,525,748,023.14
  5. Step 5: Solve for x
    x = 10,525,748,023.14/112,477.60
  6. Step 6: Final answer
    x = 93,580.84

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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.