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Finding the Fourth Proportional to 180,311.78, 248,746.47 and 116,670.08

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Solution

The fourth proportional to 180,311.78, 248,746.47 and 116,670.08 is: 160,950.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,311.78 : 248,746.47 = 116,670.08 : x
  2. Step 2: Convert to fraction form
    180,311.78/248,746.47 = 116,670.08/x
  3. Step 3: Cross multiply
    180,311.78x = 248,746.47 × 116,670.08
  4. Step 4: Simplify right side
    180,311.78x = 29,021,270,554.62
  5. Step 5: Solve for x
    x = 29,021,270,554.62/180,311.78
  6. Step 6: Final answer
    x = 160,950.50

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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.