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Finding the Fourth Proportional to 224,637.81, 309,998.66 and 124,035.81

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Solution

The fourth proportional to 224,637.81, 309,998.66 and 124,035.81 is: 171,168.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,637.81 : 309,998.66 = 124,035.81 : x
  2. Step 2: Convert to fraction form
    224,637.81/309,998.66 = 124,035.81/x
  3. Step 3: Cross multiply
    224,637.81x = 309,998.66 × 124,035.81
  4. Step 4: Simplify right side
    224,637.81x = 38,450,934,271.84
  5. Step 5: Solve for x
    x = 38,450,934,271.84/224,637.81
  6. Step 6: Final answer
    x = 171,168.58

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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.