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Finding the Fourth Proportional to 181,081.20, 249,834.06 and 104,590.20

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Solution

The fourth proportional to 181,081.20, 249,834.06 and 104,590.20 is: 144,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,081.20 : 249,834.06 = 104,590.20 : x
  2. Step 2: Convert to fraction form
    181,081.20/249,834.06 = 104,590.20/x
  3. Step 3: Cross multiply
    181,081.20x = 249,834.06 × 104,590.20
  4. Step 4: Simplify right side
    181,081.20x = 26,130,194,302.21
  5. Step 5: Solve for x
    x = 26,130,194,302.21/181,081.20
  6. Step 6: Final answer
    x = 144,300.98

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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.