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Finding the Fourth Proportional to 266,818.08, 368,218.44 and 145,952.16

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Solution

The fourth proportional to 266,818.08, 368,218.44 and 145,952.16 is: 201,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,818.08 : 368,218.44 = 145,952.16 : x
  2. Step 2: Convert to fraction form
    266,818.08/368,218.44 = 145,952.16/x
  3. Step 3: Cross multiply
    266,818.08x = 368,218.44 × 145,952.16
  4. Step 4: Simplify right side
    266,818.08x = 53,742,276,669.83
  5. Step 5: Solve for x
    x = 53,742,276,669.83/266,818.08
  6. Step 6: Final answer
    x = 201,419.17

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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.