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Finding the Fourth Proportional to 92,798.04, 128,059.50 and 52,511.06

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Solution

The fourth proportional to 92,798.04, 128,059.50 and 52,511.06 is: 72,464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,798.04 : 128,059.50 = 52,511.06 : x
  2. Step 2: Convert to fraction form
    92,798.04/128,059.50 = 52,511.06/x
  3. Step 3: Cross multiply
    92,798.04x = 128,059.50 × 52,511.06
  4. Step 4: Simplify right side
    92,798.04x = 6,724,540,088.07
  5. Step 5: Solve for x
    x = 6,724,540,088.07/92,798.04
  6. Step 6: Final answer
    x = 72,464.25

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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.