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Finding the Fourth Proportional to 180,779.52, 249,327.84 and 127,241.76

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Solution

The fourth proportional to 180,779.52, 249,327.84 and 127,241.76 is: 175,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,779.52 : 249,327.84 = 127,241.76 : x
  2. Step 2: Convert to fraction form
    180,779.52/249,327.84 = 127,241.76/x
  3. Step 3: Cross multiply
    180,779.52x = 249,327.84 × 127,241.76
  4. Step 4: Simplify right side
    180,779.52x = 31,724,913,178.60
  5. Step 5: Solve for x
    x = 31,724,913,178.60/180,779.52
  6. Step 6: Final answer
    x = 175,489.53

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1.5x scale

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.