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Finding the Fourth Proportional to 266,594,081.52, 367,978,043.70 and 155,111,144.16

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Solution

The fourth proportional to 266,594,081.52, 367,978,043.70 and 155,111,144.16 is: 214,098,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,594,081.52 : 367,978,043.70 = 155,111,144.16 : x
  2. Step 2: Convert to fraction form
    266,594,081.52/367,978,043.70 = 155,111,144.16/x
  3. Step 3: Cross multiply
    266,594,081.52x = 367,978,043.70 × 155,111,144.16
  4. Step 4: Simplify right side
    266,594,081.52x = 57,077,495,384,065,480
  5. Step 5: Solve for x
    x = 57,077,495,384,065,480/266,594,081.52
  6. Step 6: Final answer
    x = 214,098,884.19

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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.