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Finding the Fourth Proportional to 104,925.78, 144,756.09 and 69,133.14

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Solution

The fourth proportional to 104,925.78, 144,756.09 and 69,133.14 is: 95,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,925.78 : 144,756.09 = 69,133.14 : x
  2. Step 2: Convert to fraction form
    104,925.78/144,756.09 = 69,133.14/x
  3. Step 3: Cross multiply
    104,925.78x = 144,756.09 × 69,133.14
  4. Step 4: Simplify right side
    104,925.78x = 10,007,443,035.82
  5. Step 5: Solve for x
    x = 10,007,443,035.82/104,925.78
  6. Step 6: Final answer
    x = 95,376.40

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1.5x scale

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.