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Finding the Fourth Proportional to 160,603, 240,919.35 and 42,274.96

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Solution

The fourth proportional to 160,603, 240,919.35 and 42,274.96 is: 63,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,603 : 240,919.35 = 42,274.96 : x
  2. Step 2: Convert to fraction form
    160,603/240,919.35 = 42,274.96/x
  3. Step 3: Cross multiply
    160,603x = 240,919.35 × 42,274.96
  4. Step 4: Simplify right side
    160,603x = 10,184,855,884.48
  5. Step 5: Solve for x
    x = 10,184,855,884.48/160,603
  6. Step 6: Final answer
    x = 63,416.35

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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.