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Finding the Fourth Proportional to 161,804.40, 242,663.40 and 56,612.40

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Solution

The fourth proportional to 161,804.40, 242,663.40 and 56,612.40 is: 84,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,804.40 : 242,663.40 = 56,612.40 : x
  2. Step 2: Convert to fraction form
    161,804.40/242,663.40 = 56,612.40/x
  3. Step 3: Cross multiply
    161,804.40x = 242,663.40 × 56,612.40
  4. Step 4: Simplify right side
    161,804.40x = 13,737,757,466.16
  5. Step 5: Solve for x
    x = 13,737,757,466.16/161,804.40
  6. Step 6: Final answer
    x = 84,903.49

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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.