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Finding the Fourth Proportional to 75,425, 104,095.68 and 43,594.16

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Solution

The fourth proportional to 75,425, 104,095.68 and 43,594.16 is: 60,165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,425 : 104,095.68 = 43,594.16 : x
  2. Step 2: Convert to fraction form
    75,425/104,095.68 = 43,594.16/x
  3. Step 3: Cross multiply
    75,425x = 104,095.68 × 43,594.16
  4. Step 4: Simplify right side
    75,425x = 4,537,963,729.23
  5. Step 5: Solve for x
    x = 4,537,963,729.23/75,425
  6. Step 6: Final answer
    x = 60,165.25

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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.