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Finding the Fourth Proportional to 161,482.58, 243,740.72 and 161,482.58

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Solution

The fourth proportional to 161,482.58, 243,740.72 and 161,482.58 is: 243,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,482.58 : 243,740.72 = 161,482.58 : x
  2. Step 2: Convert to fraction form
    161,482.58/243,740.72 = 161,482.58/x
  3. Step 3: Cross multiply
    161,482.58x = 243,740.72 × 161,482.58
  4. Step 4: Simplify right side
    161,482.58x = 39,359,880,316.66
  5. Step 5: Solve for x
    x = 39,359,880,316.66/161,482.58
  6. Step 6: Final answer
    x = 243,740.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.