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Finding the Fourth Proportional to 229,329.60, 343,994.40 and 60,849.60

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Solution

The fourth proportional to 229,329.60, 343,994.40 and 60,849.60 is: 91,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,329.60 : 343,994.40 = 60,849.60 : x
  2. Step 2: Convert to fraction form
    229,329.60/343,994.40 = 60,849.60/x
  3. Step 3: Cross multiply
    229,329.60x = 343,994.40 × 60,849.60
  4. Step 4: Simplify right side
    229,329.60x = 20,931,921,642.24
  5. Step 5: Solve for x
    x = 20,931,921,642.24/229,329.60
  6. Step 6: Final answer
    x = 91,274.40

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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.