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Finding the Fourth Proportional to 161,723.60, 242,585.40 and 114,484.40

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Solution

The fourth proportional to 161,723.60, 242,585.40 and 114,484.40 is: 171,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,723.60 : 242,585.40 = 114,484.40 : x
  2. Step 2: Convert to fraction form
    161,723.60/242,585.40 = 114,484.40/x
  3. Step 3: Cross multiply
    161,723.60x = 242,585.40 × 114,484.40
  4. Step 4: Simplify right side
    161,723.60x = 27,772,243,967.76
  5. Step 5: Solve for x
    x = 27,772,243,967.76/161,723.60
  6. Step 6: Final answer
    x = 171,726.60

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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.