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Finding the Fourth Proportional to 149,393.63, 224,056.28 and 42,775.56

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Solution

The fourth proportional to 149,393.63, 224,056.28 and 42,775.56 is: 64,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,393.63 : 224,056.28 = 42,775.56 : x
  2. Step 2: Convert to fraction form
    149,393.63/224,056.28 = 42,775.56/x
  3. Step 3: Cross multiply
    149,393.63x = 224,056.28 × 42,775.56
  4. Step 4: Simplify right side
    149,393.63x = 9,584,132,955.46
  5. Step 5: Solve for x
    x = 9,584,132,955.46/149,393.63
  6. Step 6: Final answer
    x = 64,153.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.