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Finding the Fourth Proportional to 201,339.78, 277,834.59 and 110,693.40

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Solution

The fourth proportional to 201,339.78, 277,834.59 and 110,693.40 is: 152,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,339.78 : 277,834.59 = 110,693.40 : x
  2. Step 2: Convert to fraction form
    201,339.78/277,834.59 = 110,693.40/x
  3. Step 3: Cross multiply
    201,339.78x = 277,834.59 × 110,693.40
  4. Step 4: Simplify right side
    201,339.78x = 30,754,455,404.71
  5. Step 5: Solve for x
    x = 30,754,455,404.71/201,339.78
  6. Step 6: Final answer
    x = 152,749.03

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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.