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Finding the Fourth Proportional to 236,151.90, 331,312.50 and 236,151.90

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Solution

The fourth proportional to 236,151.90, 331,312.50 and 236,151.90 is: 331,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,151.90 : 331,312.50 = 236,151.90 : x
  2. Step 2: Convert to fraction form
    236,151.90/331,312.50 = 236,151.90/x
  3. Step 3: Cross multiply
    236,151.90x = 331,312.50 × 236,151.90
  4. Step 4: Simplify right side
    236,151.90x = 78,240,076,368.75
  5. Step 5: Solve for x
    x = 78,240,076,368.75/236,151.90
  6. Step 6: Final answer
    x = 331,312.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.