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Finding the Fourth Proportional to 161,891.22, 243,048.01 and 108,820.93

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Solution

The fourth proportional to 161,891.22, 243,048.01 and 108,820.93 is: 163,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,891.22 : 243,048.01 = 108,820.93 : x
  2. Step 2: Convert to fraction form
    161,891.22/243,048.01 = 108,820.93/x
  3. Step 3: Cross multiply
    161,891.22x = 243,048.01 × 108,820.93
  4. Step 4: Simplify right side
    161,891.22x = 26,448,710,482.85
  5. Step 5: Solve for x
    x = 26,448,710,482.85/161,891.22
  6. Step 6: Final answer
    x = 163,373.35

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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.