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Finding the Fourth Proportional to 219,053.53, 302,293.89 and 118,451.53

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Solution

The fourth proportional to 219,053.53, 302,293.89 and 118,451.53 is: 163,463.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,053.53 : 302,293.89 = 118,451.53 : x
  2. Step 2: Convert to fraction form
    219,053.53/302,293.89 = 118,451.53/x
  3. Step 3: Cross multiply
    219,053.53x = 302,293.89 × 118,451.53
  4. Step 4: Simplify right side
    219,053.53x = 35,807,174,158.02
  5. Step 5: Solve for x
    x = 35,807,174,158.02/219,053.53
  6. Step 6: Final answer
    x = 163,463.12

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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.