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Finding the Fourth Proportional to 243,567.34, 336,099.18 and 152,894.32

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Solution

The fourth proportional to 243,567.34, 336,099.18 and 152,894.32 is: 210,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,567.34 : 336,099.18 = 152,894.32 : x
  2. Step 2: Convert to fraction form
    243,567.34/336,099.18 = 152,894.32/x
  3. Step 3: Cross multiply
    243,567.34x = 336,099.18 × 152,894.32
  4. Step 4: Simplify right side
    243,567.34x = 51,387,655,578.66
  5. Step 5: Solve for x
    x = 51,387,655,578.66/243,567.34
  6. Step 6: Final answer
    x = 210,979.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.