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Finding the Fourth Proportional to 213,574.77, 294,707.21 and 118,068.21

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Solution

The fourth proportional to 213,574.77, 294,707.21 and 118,068.21 is: 162,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,574.77 : 294,707.21 = 118,068.21 : x
  2. Step 2: Convert to fraction form
    213,574.77/294,707.21 = 118,068.21/x
  3. Step 3: Cross multiply
    213,574.77x = 294,707.21 × 118,068.21
  4. Step 4: Simplify right side
    213,574.77x = 34,795,552,168.45
  5. Step 5: Solve for x
    x = 34,795,552,168.45/213,574.77
  6. Step 6: Final answer
    x = 162,919.77

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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.