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Finding the Fourth Proportional to 243,017.80, 364,526.70 and 163,702.60

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Solution

The fourth proportional to 243,017.80, 364,526.70 and 163,702.60 is: 245,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,017.80 : 364,526.70 = 163,702.60 : x
  2. Step 2: Convert to fraction form
    243,017.80/364,526.70 = 163,702.60/x
  3. Step 3: Cross multiply
    243,017.80x = 364,526.70 × 163,702.60
  4. Step 4: Simplify right side
    243,017.80x = 59,673,968,559.42
  5. Step 5: Solve for x
    x = 59,673,968,559.42/243,017.80
  6. Step 6: Final answer
    x = 245,553.90

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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.