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Finding the Fourth Proportional to 501,339.49, 751,955.91 and 141,501.45

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Solution

The fourth proportional to 501,339.49, 751,955.91 and 141,501.45 is: 212,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,339.49 : 751,955.91 = 141,501.45 : x
  2. Step 2: Convert to fraction form
    501,339.49/751,955.91 = 141,501.45/x
  3. Step 3: Cross multiply
    501,339.49x = 751,955.91 × 141,501.45
  4. Step 4: Simplify right side
    501,339.49x = 106,402,851,601.07
  5. Step 5: Solve for x
    x = 106,402,851,601.07/501,339.49
  6. Step 6: Final answer
    x = 212,237.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.