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Finding the Fourth Proportional to 183,139.80, 274,758.30 and 64,798.80

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Solution

The fourth proportional to 183,139.80, 274,758.30 and 64,798.80 is: 97,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,139.80 : 274,758.30 = 64,798.80 : x
  2. Step 2: Convert to fraction form
    183,139.80/274,758.30 = 64,798.80/x
  3. Step 3: Cross multiply
    183,139.80x = 274,758.30 × 64,798.80
  4. Step 4: Simplify right side
    183,139.80x = 17,804,008,130.04
  5. Step 5: Solve for x
    x = 17,804,008,130.04/183,139.80
  6. Step 6: Final answer
    x = 97,215.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.