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Finding the Fourth Proportional to 229,124.40, 343,703.45 and 60,643.59

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Solution

The fourth proportional to 229,124.40, 343,703.45 and 60,643.59 is: 90,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,124.40 : 343,703.45 = 60,643.59 : x
  2. Step 2: Convert to fraction form
    229,124.40/343,703.45 = 60,643.59/x
  3. Step 3: Cross multiply
    229,124.40x = 343,703.45 × 60,643.59
  4. Step 4: Simplify right side
    229,124.40x = 20,843,409,966.11
  5. Step 5: Solve for x
    x = 20,843,409,966.11/229,124.40
  6. Step 6: Final answer
    x = 90,969.84

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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.