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Finding the Fourth Proportional to 147,775.03, 221,697.78 and 47,935.45

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Solution

The fourth proportional to 147,775.03, 221,697.78 and 47,935.45 is: 71,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,775.03 : 221,697.78 = 47,935.45 : x
  2. Step 2: Convert to fraction form
    147,775.03/221,697.78 = 47,935.45/x
  3. Step 3: Cross multiply
    147,775.03x = 221,697.78 × 47,935.45
  4. Step 4: Simplify right side
    147,775.03x = 10,627,182,103.07
  5. Step 5: Solve for x
    x = 10,627,182,103.07/147,775.03
  6. Step 6: Final answer
    x = 71,914.60

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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.