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Finding the Fourth Proportional to 78,593.54, 108,442.26 and 46,756.22

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Solution

The fourth proportional to 78,593.54, 108,442.26 and 46,756.22 is: 64,513.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,593.54 : 108,442.26 = 46,756.22 : x
  2. Step 2: Convert to fraction form
    78,593.54/108,442.26 = 46,756.22/x
  3. Step 3: Cross multiply
    78,593.54x = 108,442.26 × 46,756.22
  4. Step 4: Simplify right side
    78,593.54x = 5,070,349,623.65
  5. Step 5: Solve for x
    x = 5,070,349,623.65/78,593.54
  6. Step 6: Final answer
    x = 64,513.57

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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.