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Finding the Fourth Proportional to 108,653.70, 163,053.45 and 64,233.30

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Solution

The fourth proportional to 108,653.70, 163,053.45 and 64,233.30 is: 96,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,653.70 : 163,053.45 = 64,233.30 : x
  2. Step 2: Convert to fraction form
    108,653.70/163,053.45 = 64,233.30/x
  3. Step 3: Cross multiply
    108,653.70x = 163,053.45 × 64,233.30
  4. Step 4: Simplify right side
    108,653.70x = 10,473,461,169.89
  5. Step 5: Solve for x
    x = 10,473,461,169.89/108,653.70
  6. Step 6: Final answer
    x = 96,393.05

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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.