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Finding the Fourth Proportional to 158,643.84, 238,017.60 and 123,703.68

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Solution

The fourth proportional to 158,643.84, 238,017.60 and 123,703.68 is: 185,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,643.84 : 238,017.60 = 123,703.68 : x
  2. Step 2: Convert to fraction form
    158,643.84/238,017.60 = 123,703.68/x
  3. Step 3: Cross multiply
    158,643.84x = 238,017.60 × 123,703.68
  4. Step 4: Simplify right side
    158,643.84x = 29,443,653,024.77
  5. Step 5: Solve for x
    x = 29,443,653,024.77/158,643.84
  6. Step 6: Final answer
    x = 185,595.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.