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Finding the Fourth Proportional to 94,569, 130,505.22 and 52,128.45

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Solution

The fourth proportional to 94,569, 130,505.22 and 52,128.45 is: 71,937.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,569 : 130,505.22 = 52,128.45 : x
  2. Step 2: Convert to fraction form
    94,569/130,505.22 = 52,128.45/x
  3. Step 3: Cross multiply
    94,569x = 130,505.22 × 52,128.45
  4. Step 4: Simplify right side
    94,569x = 6,803,034,835.51
  5. Step 5: Solve for x
    x = 6,803,034,835.51/94,569
  6. Step 6: Final answer
    x = 71,937.26

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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.