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Finding the Fourth Proportional to 99,998.10, 149,795.55 and 62,442.90

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Solution

The fourth proportional to 99,998.10, 149,795.55 and 62,442.90 is: 93,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,998.10 : 149,795.55 = 62,442.90 : x
  2. Step 2: Convert to fraction form
    99,998.10/149,795.55 = 62,442.90/x
  3. Step 3: Cross multiply
    99,998.10x = 149,795.55 × 62,442.90
  4. Step 4: Simplify right side
    99,998.10x = 9,353,668,549.10
  5. Step 5: Solve for x
    x = 9,353,668,549.10/99,998.10
  6. Step 6: Final answer
    x = 93,538.46

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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.