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Finding the Fourth Proportional to 92,617.76, 127,804.90 and 52,335

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Solution

The fourth proportional to 92,617.76, 127,804.90 and 52,335 is: 72,218.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,617.76 : 127,804.90 = 52,335 : x
  2. Step 2: Convert to fraction form
    92,617.76/127,804.90 = 52,335/x
  3. Step 3: Cross multiply
    92,617.76x = 127,804.90 × 52,335
  4. Step 4: Simplify right side
    92,617.76x = 6,688,669,441.50
  5. Step 5: Solve for x
    x = 6,688,669,441.50/92,617.76
  6. Step 6: Final answer
    x = 72,218.00

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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.