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Finding the Fourth Proportional to 243,888.68, 365,756.88 and 144,022.16

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Solution

The fourth proportional to 243,888.68, 365,756.88 and 144,022.16 is: 215,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,888.68 : 365,756.88 = 144,022.16 : x
  2. Step 2: Convert to fraction form
    243,888.68/365,756.88 = 144,022.16/x
  3. Step 3: Cross multiply
    243,888.68x = 365,756.88 × 144,022.16
  4. Step 4: Simplify right side
    243,888.68x = 52,677,095,892.46
  5. Step 5: Solve for x
    x = 52,677,095,892.46/243,888.68
  6. Step 6: Final answer
    x = 215,988.28

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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.