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Finding the Fourth Proportional to 211,752.40, 292,218.88 and 116,265.28

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Solution

The fourth proportional to 211,752.40, 292,218.88 and 116,265.28 is: 160,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,752.40 : 292,218.88 = 116,265.28 : x
  2. Step 2: Convert to fraction form
    211,752.40/292,218.88 = 116,265.28/x
  3. Step 3: Cross multiply
    211,752.40x = 292,218.88 × 116,265.28
  4. Step 4: Simplify right side
    211,752.40x = 33,974,908,443.39
  5. Step 5: Solve for x
    x = 33,974,908,443.39/211,752.40
  6. Step 6: Final answer
    x = 160,446.40

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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.