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Finding the Fourth Proportional to 151,333.66, 208,838.49 and 83,349.34

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Solution

The fourth proportional to 151,333.66, 208,838.49 and 83,349.34 is: 115,021.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,333.66 : 208,838.49 = 83,349.34 : x
  2. Step 2: Convert to fraction form
    151,333.66/208,838.49 = 83,349.34/x
  3. Step 3: Cross multiply
    151,333.66x = 208,838.49 × 83,349.34
  4. Step 4: Simplify right side
    151,333.66x = 17,406,550,308.10
  5. Step 5: Solve for x
    x = 17,406,550,308.10/151,333.66
  6. Step 6: Final answer
    x = 115,021.01

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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.