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Finding the Fourth Proportional to 97,417.40, 145,866.90 and 62,166.20

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Solution

The fourth proportional to 97,417.40, 145,866.90 and 62,166.20 is: 93,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,417.40 : 145,866.90 = 62,166.20 : x
  2. Step 2: Convert to fraction form
    97,417.40/145,866.90 = 62,166.20/x
  3. Step 3: Cross multiply
    97,417.40x = 145,866.90 × 62,166.20
  4. Step 4: Simplify right side
    97,417.40x = 9,067,990,878.78
  5. Step 5: Solve for x
    x = 9,067,990,878.78/97,417.40
  6. Step 6: Final answer
    x = 93,083.89

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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.