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Finding the Fourth Proportional to 101,011.41, 151,569.06 and 77,470.20

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Solution

The fourth proportional to 101,011.41, 151,569.06 and 77,470.20 is: 116,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,011.41 : 151,569.06 = 77,470.20 : x
  2. Step 2: Convert to fraction form
    101,011.41/151,569.06 = 77,470.20/x
  3. Step 3: Cross multiply
    101,011.41x = 151,569.06 × 77,470.20
  4. Step 4: Simplify right side
    101,011.41x = 11,742,085,392.01
  5. Step 5: Solve for x
    x = 11,742,085,392.01/101,011.41
  6. Step 6: Final answer
    x = 116,245.14

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1.5x scale

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.