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Finding the Fourth Proportional to 144,904.80, 194,999.40 and 144,904.80

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Solution

The fourth proportional to 144,904.80, 194,999.40 and 144,904.80 is: 194,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,904.80 : 194,999.40 = 144,904.80 : x
  2. Step 2: Convert to fraction form
    144,904.80/194,999.40 = 144,904.80/x
  3. Step 3: Cross multiply
    144,904.80x = 194,999.40 × 144,904.80
  4. Step 4: Simplify right side
    144,904.80x = 28,256,349,057.12
  5. Step 5: Solve for x
    x = 28,256,349,057.12/144,904.80
  6. Step 6: Final answer
    x = 194,999.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.