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Finding the Fourth Proportional to 201,397.80, 277,897.84 and 116,522.76

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Solution

The fourth proportional to 201,397.80, 277,897.84 and 116,522.76 is: 160,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,397.80 : 277,897.84 = 116,522.76 : x
  2. Step 2: Convert to fraction form
    201,397.80/277,897.84 = 116,522.76/x
  3. Step 3: Cross multiply
    201,397.80x = 277,897.84 × 116,522.76
  4. Step 4: Simplify right side
    201,397.80x = 32,381,423,314.84
  5. Step 5: Solve for x
    x = 32,381,423,314.84/201,397.80
  6. Step 6: Final answer
    x = 160,783.40

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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.