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Finding the Fourth Proportional to 180,983.70, 249,783.32 and 104,487.50

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Solution

The fourth proportional to 180,983.70, 249,783.32 and 104,487.50 is: 144,207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,983.70 : 249,783.32 = 104,487.50 : x
  2. Step 2: Convert to fraction form
    180,983.70/249,783.32 = 104,487.50/x
  3. Step 3: Cross multiply
    180,983.70x = 249,783.32 × 104,487.50
  4. Step 4: Simplify right side
    180,983.70x = 26,099,235,534.18
  5. Step 5: Solve for x
    x = 26,099,235,534.18/180,983.70
  6. Step 6: Final answer
    x = 144,207.66

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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.