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Finding the Fourth Proportional to 153,791.48, 212,246.91 and 93,348.27

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Solution

The fourth proportional to 153,791.48, 212,246.91 and 93,348.27 is: 128,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,791.48 : 212,246.91 = 93,348.27 : x
  2. Step 2: Convert to fraction form
    153,791.48/212,246.91 = 93,348.27/x
  3. Step 3: Cross multiply
    153,791.48x = 212,246.91 × 93,348.27
  4. Step 4: Simplify right side
    153,791.48x = 19,812,881,861.35
  5. Step 5: Solve for x
    x = 19,812,881,861.35/153,791.48
  6. Step 6: Final answer
    x = 128,829.51

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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.