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Finding the Fourth Proportional to 201,123.05, 277,564.70 and 124,657.18

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Solution

The fourth proportional to 201,123.05, 277,564.70 and 124,657.18 is: 172,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,123.05 : 277,564.70 = 124,657.18 : x
  2. Step 2: Convert to fraction form
    201,123.05/277,564.70 = 124,657.18/x
  3. Step 3: Cross multiply
    201,123.05x = 277,564.70 × 124,657.18
  4. Step 4: Simplify right side
    201,123.05x = 34,600,432,036.68
  5. Step 5: Solve for x
    x = 34,600,432,036.68/201,123.05
  6. Step 6: Final answer
    x = 172,036.13

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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.