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Finding the Fourth Proportional to 243,042.30, 364,235.40 and 162,852.30

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Solution

The fourth proportional to 243,042.30, 364,235.40 and 162,852.30 is: 244,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,042.30 : 364,235.40 = 162,852.30 : x
  2. Step 2: Convert to fraction form
    243,042.30/364,235.40 = 162,852.30/x
  3. Step 3: Cross multiply
    243,042.30x = 364,235.40 × 162,852.30
  4. Step 4: Simplify right side
    243,042.30x = 59,316,572,631.42
  5. Step 5: Solve for x
    x = 59,316,572,631.42/243,042.30
  6. Step 6: Final answer
    x = 244,058.64

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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.