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Finding the Fourth Proportional to 266,673.34, 368,101.88 and 153,541.18

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Solution

The fourth proportional to 266,673.34, 368,101.88 and 153,541.18 is: 211,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,673.34 : 368,101.88 = 153,541.18 : x
  2. Step 2: Convert to fraction form
    266,673.34/368,101.88 = 153,541.18/x
  3. Step 3: Cross multiply
    266,673.34x = 368,101.88 × 153,541.18
  4. Step 4: Simplify right side
    266,673.34x = 56,518,797,015.42
  5. Step 5: Solve for x
    x = 56,518,797,015.42/266,673.34
  6. Step 6: Final answer
    x = 211,940.19

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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.