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Finding the Fourth Proportional to 94,166.52, 129,895.52 and 56,418.90

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Solution

The fourth proportional to 94,166.52, 129,895.52 and 56,418.90 is: 77,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,166.52 : 129,895.52 = 56,418.90 : x
  2. Step 2: Convert to fraction form
    94,166.52/129,895.52 = 56,418.90/x
  3. Step 3: Cross multiply
    94,166.52x = 129,895.52 × 56,418.90
  4. Step 4: Simplify right side
    94,166.52x = 7,328,562,071.23
  5. Step 5: Solve for x
    x = 7,328,562,071.23/94,166.52
  6. Step 6: Final answer
    x = 77,825.56

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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.