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Finding the Fourth Proportional to 225,061.51, 310,438.54 and 144,361.21

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Solution

The fourth proportional to 225,061.51, 310,438.54 and 144,361.21 is: 199,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,061.51 : 310,438.54 = 144,361.21 : x
  2. Step 2: Convert to fraction form
    225,061.51/310,438.54 = 144,361.21/x
  3. Step 3: Cross multiply
    225,061.51x = 310,438.54 × 144,361.21
  4. Step 4: Simplify right side
    225,061.51x = 44,815,283,265.03
  5. Step 5: Solve for x
    x = 44,815,283,265.03/225,061.51
  6. Step 6: Final answer
    x = 199,124.60

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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.