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Finding the Fourth Proportional to 154,887.84, 232,332.84 and 70,630.56

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Solution

The fourth proportional to 154,887.84, 232,332.84 and 70,630.56 is: 105,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,887.84 : 232,332.84 = 70,630.56 : x
  2. Step 2: Convert to fraction form
    154,887.84/232,332.84 = 70,630.56/x
  3. Step 3: Cross multiply
    154,887.84x = 232,332.84 × 70,630.56
  4. Step 4: Simplify right side
    154,887.84x = 16,409,798,595.59
  5. Step 5: Solve for x
    x = 16,409,798,595.59/154,887.84
  6. Step 6: Final answer
    x = 105,946.33

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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.