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Finding the Fourth Proportional to 295,047.60, 442,637.20 and 84,669.14

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Solution

The fourth proportional to 295,047.60, 442,637.20 and 84,669.14 is: 127,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,047.60 : 442,637.20 = 84,669.14 : x
  2. Step 2: Convert to fraction form
    295,047.60/442,637.20 = 84,669.14/x
  3. Step 3: Cross multiply
    295,047.60x = 442,637.20 × 84,669.14
  4. Step 4: Simplify right side
    295,047.60x = 37,477,711,056.01
  5. Step 5: Solve for x
    x = 37,477,711,056.01/295,047.60
  6. Step 6: Final answer
    x = 127,022.59

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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.