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Finding the Fourth Proportional to 73,403.75, 101,294.08 and 42,779.75

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Solution

The fourth proportional to 73,403.75, 101,294.08 and 42,779.75 is: 59,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,403.75 : 101,294.08 = 42,779.75 : x
  2. Step 2: Convert to fraction form
    73,403.75/101,294.08 = 42,779.75/x
  3. Step 3: Cross multiply
    73,403.75x = 101,294.08 × 42,779.75
  4. Step 4: Simplify right side
    73,403.75x = 4,333,334,805.46
  5. Step 5: Solve for x
    x = 4,333,334,805.46/73,403.75
  6. Step 6: Final answer
    x = 59,034.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.