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Finding the Fourth Proportional to 170,784.40, 256,176.60 and 151,101.40

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Solution

The fourth proportional to 170,784.40, 256,176.60 and 151,101.40 is: 226,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,784.40 : 256,176.60 = 151,101.40 : x
  2. Step 2: Convert to fraction form
    170,784.40/256,176.60 = 151,101.40/x
  3. Step 3: Cross multiply
    170,784.40x = 256,176.60 × 151,101.40
  4. Step 4: Simplify right side
    170,784.40x = 38,708,642,907.24
  5. Step 5: Solve for x
    x = 38,708,642,907.24/170,784.40
  6. Step 6: Final answer
    x = 226,652.10

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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.