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Finding the Fourth Proportional to 153,454.40, 211,777.71 and 93,027.59

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Solution

The fourth proportional to 153,454.40, 211,777.71 and 93,027.59 is: 128,384.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,454.40 : 211,777.71 = 93,027.59 : x
  2. Step 2: Convert to fraction form
    153,454.40/211,777.71 = 93,027.59/x
  3. Step 3: Cross multiply
    153,454.40x = 211,777.71 × 93,027.59
  4. Step 4: Simplify right side
    153,454.40x = 19,701,169,977.02
  5. Step 5: Solve for x
    x = 19,701,169,977.02/153,454.40
  6. Step 6: Final answer
    x = 128,384.52

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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.