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Finding the Fourth Proportional to 163,649.80, 245,618.70 and 97,006.60

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Solution

The fourth proportional to 163,649.80, 245,618.70 and 97,006.60 is: 145,595.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,649.80 : 245,618.70 = 97,006.60 : x
  2. Step 2: Convert to fraction form
    163,649.80/245,618.70 = 97,006.60/x
  3. Step 3: Cross multiply
    163,649.80x = 245,618.70 × 97,006.60
  4. Step 4: Simplify right side
    163,649.80x = 23,826,634,983.42
  5. Step 5: Solve for x
    x = 23,826,634,983.42/163,649.80
  6. Step 6: Final answer
    x = 145,595.26

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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.