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Finding the Fourth Proportional to 71,873.88, 99,152.34 and 46,373.64

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Solution

The fourth proportional to 71,873.88, 99,152.34 and 46,373.64 is: 63,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,873.88 : 99,152.34 = 46,373.64 : x
  2. Step 2: Convert to fraction form
    71,873.88/99,152.34 = 46,373.64/x
  3. Step 3: Cross multiply
    71,873.88x = 99,152.34 × 46,373.64
  4. Step 4: Simplify right side
    71,873.88x = 4,598,054,920.32
  5. Step 5: Solve for x
    x = 4,598,054,920.32/71,873.88
  6. Step 6: Final answer
    x = 63,973.93

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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.