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Finding the Fourth Proportional to 180,369.90, 248,740.05 and 134,530.65

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Solution

The fourth proportional to 180,369.90, 248,740.05 and 134,530.65 is: 185,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,369.90 : 248,740.05 = 134,530.65 : x
  2. Step 2: Convert to fraction form
    180,369.90/248,740.05 = 134,530.65/x
  3. Step 3: Cross multiply
    180,369.90x = 248,740.05 × 134,530.65
  4. Step 4: Simplify right side
    180,369.90x = 33,463,160,607.53
  5. Step 5: Solve for x
    x = 33,463,160,607.53/180,369.90
  6. Step 6: Final answer
    x = 185,525.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.