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Finding the Fourth Proportional to 180,799.86, 249,603.12 and 123,525.30

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Solution

The fourth proportional to 180,799.86, 249,603.12 and 123,525.30 is: 170,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,799.86 : 249,603.12 = 123,525.30 : x
  2. Step 2: Convert to fraction form
    180,799.86/249,603.12 = 123,525.30/x
  3. Step 3: Cross multiply
    180,799.86x = 249,603.12 × 123,525.30
  4. Step 4: Simplify right side
    180,799.86x = 30,832,300,278.94
  5. Step 5: Solve for x
    x = 30,832,300,278.94/180,799.86
  6. Step 6: Final answer
    x = 170,532.77

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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.