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Finding the Fourth Proportional to 207,003.60, 310,505.40 and 64,850.06

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Solution

The fourth proportional to 207,003.60, 310,505.40 and 64,850.06 is: 97,275.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,003.60 : 310,505.40 = 64,850.06 : x
  2. Step 2: Convert to fraction form
    207,003.60/310,505.40 = 64,850.06/x
  3. Step 3: Cross multiply
    207,003.60x = 310,505.40 × 64,850.06
  4. Step 4: Simplify right side
    207,003.60x = 20,136,294,596.59
  5. Step 5: Solve for x
    x = 20,136,294,596.59/207,003.60
  6. Step 6: Final answer
    x = 97,275.09

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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.