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Finding the Fourth Proportional to 64,160.60, 96,265.53 and 45,203.45

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Solution

The fourth proportional to 64,160.60, 96,265.53 and 45,203.45 is: 67,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,160.60 : 96,265.53 = 45,203.45 : x
  2. Step 2: Convert to fraction form
    64,160.60/96,265.53 = 45,203.45/x
  3. Step 3: Cross multiply
    64,160.60x = 96,265.53 × 45,203.45
  4. Step 4: Simplify right side
    64,160.60x = 4,351,533,590.75
  5. Step 5: Solve for x
    x = 4,351,533,590.75/64,160.60
  6. Step 6: Final answer
    x = 67,822.53

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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.