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Finding the Fourth Proportional to 78,350.16, 108,116.88 and 46,526.88

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Solution

The fourth proportional to 78,350.16, 108,116.88 and 46,526.88 is: 64,203.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,350.16 : 108,116.88 = 46,526.88 : x
  2. Step 2: Convert to fraction form
    78,350.16/108,116.88 = 46,526.88/x
  3. Step 3: Cross multiply
    78,350.16x = 108,116.88 × 46,526.88
  4. Step 4: Simplify right side
    78,350.16x = 5,030,341,101.73
  5. Step 5: Solve for x
    x = 5,030,341,101.73/78,350.16
  6. Step 6: Final answer
    x = 64,203.33

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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.