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Finding the Fourth Proportional to 153,608.60, 230,445.30 and 64,816.40

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Solution

The fourth proportional to 153,608.60, 230,445.30 and 64,816.40 is: 97,238.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,608.60 : 230,445.30 = 64,816.40 : x
  2. Step 2: Convert to fraction form
    153,608.60/230,445.30 = 64,816.40/x
  3. Step 3: Cross multiply
    153,608.60x = 230,445.30 × 64,816.40
  4. Step 4: Simplify right side
    153,608.60x = 14,936,634,742.92
  5. Step 5: Solve for x
    x = 14,936,634,742.92/153,608.60
  6. Step 6: Final answer
    x = 97,238.27

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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.