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Finding the Fourth Proportional to 218,607.36, 301,699.68 and 127,957.84

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Solution

The fourth proportional to 218,607.36, 301,699.68 and 127,957.84 is: 176,594.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,607.36 : 301,699.68 = 127,957.84 : x
  2. Step 2: Convert to fraction form
    218,607.36/301,699.68 = 127,957.84/x
  3. Step 3: Cross multiply
    218,607.36x = 301,699.68 × 127,957.84
  4. Step 4: Simplify right side
    218,607.36x = 38,604,839,381.49
  5. Step 5: Solve for x
    x = 38,604,839,381.49/218,607.36
  6. Step 6: Final answer
    x = 176,594.42

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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.