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Finding the Fourth Proportional to 181,125.36, 249,799.50 and 116,605.80

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Solution

The fourth proportional to 181,125.36, 249,799.50 and 116,605.80 is: 160,817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,125.36 : 249,799.50 = 116,605.80 : x
  2. Step 2: Convert to fraction form
    181,125.36/249,799.50 = 116,605.80/x
  3. Step 3: Cross multiply
    181,125.36x = 249,799.50 × 116,605.80
  4. Step 4: Simplify right side
    181,125.36x = 29,128,070,537.10
  5. Step 5: Solve for x
    x = 29,128,070,537.10/181,125.36
  6. Step 6: Final answer
    x = 160,817.19

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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.