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Finding the Fourth Proportional to 216,923.76, 299,144.48 and 169,159.68

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Solution

The fourth proportional to 216,923.76, 299,144.48 and 169,159.68 is: 233,276.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,923.76 : 299,144.48 = 169,159.68 : x
  2. Step 2: Convert to fraction form
    216,923.76/299,144.48 = 169,159.68/x
  3. Step 3: Cross multiply
    216,923.76x = 299,144.48 × 169,159.68
  4. Step 4: Simplify right side
    216,923.76x = 50,603,184,510.57
  5. Step 5: Solve for x
    x = 50,603,184,510.57/216,923.76
  6. Step 6: Final answer
    x = 233,276.36

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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.