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Finding the Fourth Proportional to 161,703.34, 242,259.46 and 117,219.76

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Solution

The fourth proportional to 161,703.34, 242,259.46 and 117,219.76 is: 175,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,703.34 : 242,259.46 = 117,219.76 : x
  2. Step 2: Convert to fraction form
    161,703.34/242,259.46 = 117,219.76/x
  3. Step 3: Cross multiply
    161,703.34x = 242,259.46 × 117,219.76
  4. Step 4: Simplify right side
    161,703.34x = 28,397,594,860.23
  5. Step 5: Solve for x
    x = 28,397,594,860.23/161,703.34
  6. Step 6: Final answer
    x = 175,615.39

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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.