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Finding the Fourth Proportional to 180,979.64, 249,777.71 and 104,483.44

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Solution

The fourth proportional to 180,979.64, 249,777.71 and 104,483.44 is: 144,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,979.64 : 249,777.71 = 104,483.44 : x
  2. Step 2: Convert to fraction form
    180,979.64/249,777.71 = 104,483.44/x
  3. Step 3: Cross multiply
    180,979.64x = 249,777.71 × 104,483.44
  4. Step 4: Simplify right side
    180,979.64x = 26,097,634,376.12
  5. Step 5: Solve for x
    x = 26,097,634,376.12/180,979.64
  6. Step 6: Final answer
    x = 144,202.05

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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.