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Finding the Fourth Proportional to 145,848.30, 204,809.70 and 145,848.30

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Solution

The fourth proportional to 145,848.30, 204,809.70 and 145,848.30 is: 204,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,848.30 : 204,809.70 = 145,848.30 : x
  2. Step 2: Convert to fraction form
    145,848.30/204,809.70 = 145,848.30/x
  3. Step 3: Cross multiply
    145,848.30x = 204,809.70 × 145,848.30
  4. Step 4: Simplify right side
    145,848.30x = 29,871,146,568.51
  5. Step 5: Solve for x
    x = 29,871,146,568.51/145,848.30
  6. Step 6: Final answer
    x = 204,809.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.