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Finding the Fourth Proportional to 114,017.76, 171,026.64 and 69,048.18

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Solution

The fourth proportional to 114,017.76, 171,026.64 and 69,048.18 is: 103,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,017.76 : 171,026.64 = 69,048.18 : x
  2. Step 2: Convert to fraction form
    114,017.76/171,026.64 = 69,048.18/x
  3. Step 3: Cross multiply
    114,017.76x = 171,026.64 × 69,048.18
  4. Step 4: Simplify right side
    114,017.76x = 11,809,078,223.52
  5. Step 5: Solve for x
    x = 11,809,078,223.52/114,017.76
  6. Step 6: Final answer
    x = 103,572.27

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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.