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Finding the Fourth Proportional to 181,064.19, 249,865.46 and 100,495.11

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Solution

The fourth proportional to 181,064.19, 249,865.46 and 100,495.11 is: 138,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,064.19 : 249,865.46 = 100,495.11 : x
  2. Step 2: Convert to fraction form
    181,064.19/249,865.46 = 100,495.11/x
  3. Step 3: Cross multiply
    181,064.19x = 249,865.46 × 100,495.11
  4. Step 4: Simplify right side
    181,064.19x = 25,110,256,887.90
  5. Step 5: Solve for x
    x = 25,110,256,887.90/181,064.19
  6. Step 6: Final answer
    x = 138,681.52

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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.