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Finding the Fourth Proportional to 181,510.76, 250,465.67 and 100,925.28

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Solution

The fourth proportional to 181,510.76, 250,465.67 and 100,925.28 is: 139,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,510.76 : 250,465.67 = 100,925.28 : x
  2. Step 2: Convert to fraction form
    181,510.76/250,465.67 = 100,925.28/x
  3. Step 3: Cross multiply
    181,510.76x = 250,465.67 × 100,925.28
  4. Step 4: Simplify right side
    181,510.76x = 25,278,317,370.51
  5. Step 5: Solve for x
    x = 25,278,317,370.51/181,510.76
  6. Step 6: Final answer
    x = 139,266.22

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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.