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Finding the Fourth Proportional to 105,001, 157,574.46 and 42,671.56

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Solution

The fourth proportional to 105,001, 157,574.46 and 42,671.56 is: 64,036.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,001 : 157,574.46 = 42,671.56 : x
  2. Step 2: Convert to fraction form
    105,001/157,574.46 = 42,671.56/x
  3. Step 3: Cross multiply
    105,001x = 157,574.46 × 42,671.56
  4. Step 4: Simplify right side
    105,001x = 6,723,948,024.36
  5. Step 5: Solve for x
    x = 6,723,948,024.36/105,001
  6. Step 6: Final answer
    x = 64,036.99

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1.5x scale

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.