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Finding the Fourth Proportional to 192,955.05, 288,810.50 and 99,332.01

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Solution

The fourth proportional to 192,955.05, 288,810.50 and 99,332.01 is: 148,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,955.05 : 288,810.50 = 99,332.01 : x
  2. Step 2: Convert to fraction form
    192,955.05/288,810.50 = 99,332.01/x
  3. Step 3: Cross multiply
    192,955.05x = 288,810.50 × 99,332.01
  4. Step 4: Simplify right side
    192,955.05x = 28,688,126,977.44
  5. Step 5: Solve for x
    x = 28,688,126,977.44/192,955.05
  6. Step 6: Final answer
    x = 148,677.77

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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.