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Finding the Fourth Proportional to 180,387.18, 248,730.59 and 134,919.45

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Solution

The fourth proportional to 180,387.18, 248,730.59 and 134,919.45 is: 186,036.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,387.18 : 248,730.59 = 134,919.45 : x
  2. Step 2: Convert to fraction form
    180,387.18/248,730.59 = 134,919.45/x
  3. Step 3: Cross multiply
    180,387.18x = 248,730.59 × 134,919.45
  4. Step 4: Simplify right side
    180,387.18x = 33,558,593,090.07
  5. Step 5: Solve for x
    x = 33,558,593,090.07/180,387.18
  6. Step 6: Final answer
    x = 186,036.47

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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.