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Finding the Fourth Proportional to 252,681.70, 348,700.98 and 139,504.46

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Solution

The fourth proportional to 252,681.70, 348,700.98 and 139,504.46 is: 192,516.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,681.70 : 348,700.98 = 139,504.46 : x
  2. Step 2: Convert to fraction form
    252,681.70/348,700.98 = 139,504.46/x
  3. Step 3: Cross multiply
    252,681.70x = 348,700.98 × 139,504.46
  4. Step 4: Simplify right side
    252,681.70x = 48,645,341,916.37
  5. Step 5: Solve for x
    x = 48,645,341,916.37/252,681.70
  6. Step 6: Final answer
    x = 192,516.28

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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.