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Finding the Fourth Proportional to 78,599.78, 108,450.88 and 46,762.46

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Solution

The fourth proportional to 78,599.78, 108,450.88 and 46,762.46 is: 64,522.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,599.78 : 108,450.88 = 46,762.46 : x
  2. Step 2: Convert to fraction form
    78,599.78/108,450.88 = 46,762.46/x
  3. Step 3: Cross multiply
    78,599.78x = 108,450.88 × 46,762.46
  4. Step 4: Simplify right side
    78,599.78x = 5,071,429,937.96
  5. Step 5: Solve for x
    x = 5,071,429,937.96/78,599.78
  6. Step 6: Final answer
    x = 64,522.19

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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.