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Finding the Fourth Proportional to 176,373.19, 243,401.18 and 99,894.48

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Solution

The fourth proportional to 176,373.19, 243,401.18 and 99,894.48 is: 137,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,373.19 : 243,401.18 = 99,894.48 : x
  2. Step 2: Convert to fraction form
    176,373.19/243,401.18 = 99,894.48/x
  3. Step 3: Cross multiply
    176,373.19x = 243,401.18 × 99,894.48
  4. Step 4: Simplify right side
    176,373.19x = 24,314,434,307.49
  5. Step 5: Solve for x
    x = 24,314,434,307.49/176,373.19
  6. Step 6: Final answer
    x = 137,857.88

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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.