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Finding the Fourth Proportional to 149,561.80, 224,342.70 and 99,795.40

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Solution

The fourth proportional to 149,561.80, 224,342.70 and 99,795.40 is: 149,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,561.80 : 224,342.70 = 99,795.40 : x
  2. Step 2: Convert to fraction form
    149,561.80/224,342.70 = 99,795.40/x
  3. Step 3: Cross multiply
    149,561.80x = 224,342.70 × 99,795.40
  4. Step 4: Simplify right side
    149,561.80x = 22,388,369,483.58
  5. Step 5: Solve for x
    x = 22,388,369,483.58/149,561.80
  6. Step 6: Final answer
    x = 149,693.10

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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.