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Finding the Fourth Proportional to 243,055.94, 335,417.22 and 134,160.31

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Solution

The fourth proportional to 243,055.94, 335,417.22 and 134,160.31 is: 185,141.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,055.94 : 335,417.22 = 134,160.31 : x
  2. Step 2: Convert to fraction form
    243,055.94/335,417.22 = 134,160.31/x
  3. Step 3: Cross multiply
    243,055.94x = 335,417.22 × 134,160.31
  4. Step 4: Simplify right side
    243,055.94x = 44,999,678,214.54
  5. Step 5: Solve for x
    x = 44,999,678,214.54/243,055.94
  6. Step 6: Final answer
    x = 185,141.24

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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.