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Finding the Fourth Proportional to 191,200.90, 286,801.35 and 183,943.30

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Solution

The fourth proportional to 191,200.90, 286,801.35 and 183,943.30 is: 275,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,200.90 : 286,801.35 = 183,943.30 : x
  2. Step 2: Convert to fraction form
    191,200.90/286,801.35 = 183,943.30/x
  3. Step 3: Cross multiply
    191,200.90x = 286,801.35 × 183,943.30
  4. Step 4: Simplify right side
    191,200.90x = 52,755,186,763.46
  5. Step 5: Solve for x
    x = 52,755,186,763.46/191,200.90
  6. Step 6: Final answer
    x = 275,914.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.