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Finding the Fourth Proportional to 266,931.77, 368,340.77 and 180,715.37

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Solution

The fourth proportional to 266,931.77, 368,340.77 and 180,715.37 is: 249,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,931.77 : 368,340.77 = 180,715.37 : x
  2. Step 2: Convert to fraction form
    266,931.77/368,340.77 = 180,715.37/x
  3. Step 3: Cross multiply
    266,931.77x = 368,340.77 × 180,715.37
  4. Step 4: Simplify right side
    266,931.77x = 66,564,837,633.06
  5. Step 5: Solve for x
    x = 66,564,837,633.06/266,931.77
  6. Step 6: Final answer
    x = 249,370.23

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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.