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Finding the Fourth Proportional to 200,047.40, 300,071.10 and 183,717.80

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Solution

The fourth proportional to 200,047.40, 300,071.10 and 183,717.80 is: 275,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,047.40 : 300,071.10 = 183,717.80 : x
  2. Step 2: Convert to fraction form
    200,047.40/300,071.10 = 183,717.80/x
  3. Step 3: Cross multiply
    200,047.40x = 300,071.10 × 183,717.80
  4. Step 4: Simplify right side
    200,047.40x = 55,128,402,335.58
  5. Step 5: Solve for x
    x = 55,128,402,335.58/200,047.40
  6. Step 6: Final answer
    x = 275,576.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.