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Finding the Fourth Proportional to 180,603.94, 249,222.48 and 100,026.64

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Solution

The fourth proportional to 180,603.94, 249,222.48 and 100,026.64 is: 138,030.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,603.94 : 249,222.48 = 100,026.64 : x
  2. Step 2: Convert to fraction form
    180,603.94/249,222.48 = 100,026.64/x
  3. Step 3: Cross multiply
    180,603.94x = 249,222.48 × 100,026.64
  4. Step 4: Simplify right side
    180,603.94x = 24,928,887,286.87
  5. Step 5: Solve for x
    x = 24,928,887,286.87/180,603.94
  6. Step 6: Final answer
    x = 138,030.69

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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.