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Finding the Fourth Proportional to 97,244.60, 145,866.90 and 53,007.80

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Solution

The fourth proportional to 97,244.60, 145,866.90 and 53,007.80 is: 79,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,244.60 : 145,866.90 = 53,007.80 : x
  2. Step 2: Convert to fraction form
    97,244.60/145,866.90 = 53,007.80/x
  3. Step 3: Cross multiply
    97,244.60x = 145,866.90 × 53,007.80
  4. Step 4: Simplify right side
    97,244.60x = 7,732,083,461.82
  5. Step 5: Solve for x
    x = 7,732,083,461.82/97,244.60
  6. Step 6: Final answer
    x = 79,511.70

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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.