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Finding the Fourth Proportional to 213,435.64, 294,545.40 and 116,645.48

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Solution

The fourth proportional to 213,435.64, 294,545.40 and 116,645.48 is: 160,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,435.64 : 294,545.40 = 116,645.48 : x
  2. Step 2: Convert to fraction form
    213,435.64/294,545.40 = 116,645.48/x
  3. Step 3: Cross multiply
    213,435.64x = 294,545.40 × 116,645.48
  4. Step 4: Simplify right side
    213,435.64x = 34,357,389,564.79
  5. Step 5: Solve for x
    x = 34,357,389,564.79/213,435.64
  6. Step 6: Final answer
    x = 160,973.07

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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.