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Finding the Fourth Proportional to 180,577.30, 249,113.96 and 116,935.60

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Solution

The fourth proportional to 180,577.30, 249,113.96 and 116,935.60 is: 161,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,577.30 : 249,113.96 = 116,935.60 : x
  2. Step 2: Convert to fraction form
    180,577.30/249,113.96 = 116,935.60/x
  3. Step 3: Cross multiply
    180,577.30x = 249,113.96 × 116,935.60
  4. Step 4: Simplify right side
    180,577.30x = 29,130,290,380.98
  5. Step 5: Solve for x
    x = 29,130,290,380.98/180,577.30
  6. Step 6: Final answer
    x = 161,317.57

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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.