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Finding the Fourth Proportional to 163,840.80, 245,588.40 and 63,962.40

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Solution

The fourth proportional to 163,840.80, 245,588.40 and 63,962.40 is: 95,876.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,840.80 : 245,588.40 = 63,962.40 : x
  2. Step 2: Convert to fraction form
    163,840.80/245,588.40 = 63,962.40/x
  3. Step 3: Cross multiply
    163,840.80x = 245,588.40 × 63,962.40
  4. Step 4: Simplify right side
    163,840.80x = 15,708,423,476.16
  5. Step 5: Solve for x
    x = 15,708,423,476.16/163,840.80
  6. Step 6: Final answer
    x = 95,876.14

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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.