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Finding the Fourth Proportional to 200,087.66, 276,128.63 and 114,060.19

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Solution

The fourth proportional to 200,087.66, 276,128.63 and 114,060.19 is: 157,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,087.66 : 276,128.63 = 114,060.19 : x
  2. Step 2: Convert to fraction form
    200,087.66/276,128.63 = 114,060.19/x
  3. Step 3: Cross multiply
    200,087.66x = 276,128.63 × 114,060.19
  4. Step 4: Simplify right side
    200,087.66x = 31,495,282,051.30
  5. Step 5: Solve for x
    x = 31,495,282,051.30/200,087.66
  6. Step 6: Final answer
    x = 157,407.42

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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.