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Finding the Fourth Proportional to 181,044, 249,840.72 and 101,556

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Solution

The fourth proportional to 181,044, 249,840.72 and 101,556 is: 140,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,044 : 249,840.72 = 101,556 : x
  2. Step 2: Convert to fraction form
    181,044/249,840.72 = 101,556/x
  3. Step 3: Cross multiply
    181,044x = 249,840.72 × 101,556
  4. Step 4: Simplify right side
    181,044x = 25,372,824,160.32
  5. Step 5: Solve for x
    x = 25,372,824,160.32/181,044
  6. Step 6: Final answer
    x = 140,147.28

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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.