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Finding the Fourth Proportional to 155,709.60, 233,564.40 and 147,933.60

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Solution

The fourth proportional to 155,709.60, 233,564.40 and 147,933.60 is: 221,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,709.60 : 233,564.40 = 147,933.60 : x
  2. Step 2: Convert to fraction form
    155,709.60/233,564.40 = 147,933.60/x
  3. Step 3: Cross multiply
    155,709.60x = 233,564.40 × 147,933.60
  4. Step 4: Simplify right side
    155,709.60x = 34,552,022,523.84
  5. Step 5: Solve for x
    x = 34,552,022,523.84/155,709.60
  6. Step 6: Final answer
    x = 221,900.40

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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.