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Finding the Fourth Proportional to 212,398.48, 293,109.98 and 116,904.49

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Solution

The fourth proportional to 212,398.48, 293,109.98 and 116,904.49 is: 161,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,398.48 : 293,109.98 = 116,904.49 : x
  2. Step 2: Convert to fraction form
    212,398.48/293,109.98 = 116,904.49/x
  3. Step 3: Cross multiply
    212,398.48x = 293,109.98 × 116,904.49
  4. Step 4: Simplify right side
    212,398.48x = 34,265,872,725.81
  5. Step 5: Solve for x
    x = 34,265,872,725.81/212,398.48
  6. Step 6: Final answer
    x = 161,328.24

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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.