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Finding the Fourth Proportional to 213,443.04, 294,557.28 and 117,955.74

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Solution

The fourth proportional to 213,443.04, 294,557.28 and 117,955.74 is: 162,782.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,443.04 : 294,557.28 = 117,955.74 : x
  2. Step 2: Convert to fraction form
    213,443.04/294,557.28 = 117,955.74/x
  3. Step 3: Cross multiply
    213,443.04x = 294,557.28 × 117,955.74
  4. Step 4: Simplify right side
    213,443.04x = 34,744,721,934.79
  5. Step 5: Solve for x
    x = 34,744,721,934.79/213,443.04
  6. Step 6: Final answer
    x = 162,782.17

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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.