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Finding the Fourth Proportional to 188,510.42, 260,150.71 and 110,972.07

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Solution

The fourth proportional to 188,510.42, 260,150.71 and 110,972.07 is: 153,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,510.42 : 260,150.71 = 110,972.07 : x
  2. Step 2: Convert to fraction form
    188,510.42/260,150.71 = 110,972.07/x
  3. Step 3: Cross multiply
    188,510.42x = 260,150.71 × 110,972.07
  4. Step 4: Simplify right side
    188,510.42x = 28,869,462,523.24
  5. Step 5: Solve for x
    x = 28,869,462,523.24/188,510.42
  6. Step 6: Final answer
    x = 153,145.19

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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.