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Finding the Fourth Proportional to 186,731.70, 280,097.55 and 62,072.70

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Solution

The fourth proportional to 186,731.70, 280,097.55 and 62,072.70 is: 93,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,731.70 : 280,097.55 = 62,072.70 : x
  2. Step 2: Convert to fraction form
    186,731.70/280,097.55 = 62,072.70/x
  3. Step 3: Cross multiply
    186,731.70x = 280,097.55 × 62,072.70
  4. Step 4: Simplify right side
    186,731.70x = 17,386,411,191.89
  5. Step 5: Solve for x
    x = 17,386,411,191.89/186,731.70
  6. Step 6: Final answer
    x = 93,109.05

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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.