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Finding the Fourth Proportional to 176,392.84, 243,328.80 and 111,748.04

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Solution

The fourth proportional to 176,392.84, 243,328.80 and 111,748.04 is: 154,153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,392.84 : 243,328.80 = 111,748.04 : x
  2. Step 2: Convert to fraction form
    176,392.84/243,328.80 = 111,748.04/x
  3. Step 3: Cross multiply
    176,392.84x = 243,328.80 × 111,748.04
  4. Step 4: Simplify right side
    176,392.84x = 27,191,516,475.55
  5. Step 5: Solve for x
    x = 27,191,516,475.55/176,392.84
  6. Step 6: Final answer
    x = 154,153.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.