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Finding the Fourth Proportional to 180,998.79, 249,814.69 and 104,530.34

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Solution

The fourth proportional to 180,998.79, 249,814.69 and 104,530.34 is: 144,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,998.79 : 249,814.69 = 104,530.34 : x
  2. Step 2: Convert to fraction form
    180,998.79/249,814.69 = 104,530.34/x
  3. Step 3: Cross multiply
    180,998.79x = 249,814.69 × 104,530.34
  4. Step 4: Simplify right side
    180,998.79x = 26,113,214,482.69
  5. Step 5: Solve for x
    x = 26,113,214,482.69/180,998.79
  6. Step 6: Final answer
    x = 144,272.87

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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.