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Finding the Fourth Proportional to 100,345, 150,527.58 and 26,473

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Solution

The fourth proportional to 100,345, 150,527.58 and 26,473 is: 39,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,345 : 150,527.58 = 26,473 : x
  2. Step 2: Convert to fraction form
    100,345/150,527.58 = 26,473/x
  3. Step 3: Cross multiply
    100,345x = 150,527.58 × 26,473
  4. Step 4: Simplify right side
    100,345x = 3,984,916,625.34
  5. Step 5: Solve for x
    x = 3,984,916,625.34/100,345
  6. Step 6: Final answer
    x = 39,712.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.