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Finding the Fourth Proportional to 219,487.68, 302,892.48 and 118,885.68

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Solution

The fourth proportional to 219,487.68, 302,892.48 and 118,885.68 is: 164,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,487.68 : 302,892.48 = 118,885.68 : x
  2. Step 2: Convert to fraction form
    219,487.68/302,892.48 = 118,885.68/x
  3. Step 3: Cross multiply
    219,487.68x = 302,892.48 × 118,885.68
  4. Step 4: Simplify right side
    219,487.68x = 36,009,578,451.69
  5. Step 5: Solve for x
    x = 36,009,578,451.69/219,487.68
  6. Step 6: Final answer
    x = 164,061.96

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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.