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Finding the Fourth Proportional to 153,667.93, 212,056.50 and 84,760.13

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Solution

The fourth proportional to 153,667.93, 212,056.50 and 84,760.13 is: 116,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,667.93 : 212,056.50 = 84,760.13 : x
  2. Step 2: Convert to fraction form
    153,667.93/212,056.50 = 84,760.13/x
  3. Step 3: Cross multiply
    153,667.93x = 212,056.50 × 84,760.13
  4. Step 4: Simplify right side
    153,667.93x = 17,973,935,447.06
  5. Step 5: Solve for x
    x = 17,973,935,447.06/153,667.93
  6. Step 6: Final answer
    x = 116,966.08

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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.