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Finding the Fourth Proportional to 240,292.09, 360,492.88 and 127,913.09

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Solution

The fourth proportional to 240,292.09, 360,492.88 and 127,913.09 is: 191,898.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,292.09 : 360,492.88 = 127,913.09 : x
  2. Step 2: Convert to fraction form
    240,292.09/360,492.88 = 127,913.09/x
  3. Step 3: Cross multiply
    240,292.09x = 360,492.88 × 127,913.09
  4. Step 4: Simplify right side
    240,292.09x = 46,111,758,349.16
  5. Step 5: Solve for x
    x = 46,111,758,349.16/240,292.09
  6. Step 6: Final answer
    x = 191,898.78

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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.