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Finding the Fourth Proportional to 180,980.80, 249,775.04 and 104,518.49

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Solution

The fourth proportional to 180,980.80, 249,775.04 and 104,518.49 is: 144,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,980.80 : 249,775.04 = 104,518.49 : x
  2. Step 2: Convert to fraction form
    180,980.80/249,775.04 = 104,518.49/x
  3. Step 3: Cross multiply
    180,980.80x = 249,775.04 × 104,518.49
  4. Step 4: Simplify right side
    180,980.80x = 26,106,109,032.91
  5. Step 5: Solve for x
    x = 26,106,109,032.91/180,980.80
  6. Step 6: Final answer
    x = 144,247.95

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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.