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Finding the Fourth Proportional to 212,074.80, 292,655.82 and 116,580.81

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Solution

The fourth proportional to 212,074.80, 292,655.82 and 116,580.81 is: 160,877.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,074.80 : 292,655.82 = 116,580.81 : x
  2. Step 2: Convert to fraction form
    212,074.80/292,655.82 = 116,580.81/x
  3. Step 3: Cross multiply
    212,074.80x = 292,655.82 × 116,580.81
  4. Step 4: Simplify right side
    212,074.80x = 34,118,052,546.81
  5. Step 5: Solve for x
    x = 34,118,052,546.81/212,074.80
  6. Step 6: Final answer
    x = 160,877.45

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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.