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Finding the Fourth Proportional to 210,417.66, 290,385.81 and 114,925.14

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Solution

The fourth proportional to 210,417.66, 290,385.81 and 114,925.14 is: 158,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,417.66 : 290,385.81 = 114,925.14 : x
  2. Step 2: Convert to fraction form
    210,417.66/290,385.81 = 114,925.14/x
  3. Step 3: Cross multiply
    210,417.66x = 290,385.81 × 114,925.14
  4. Step 4: Simplify right side
    210,417.66x = 33,372,629,868.26
  5. Step 5: Solve for x
    x = 33,372,629,868.26/210,417.66
  6. Step 6: Final answer
    x = 158,601.85

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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.