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Finding the Fourth Proportional to 118,269.52, 163,210.60 and 64,554.12

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Solution

The fourth proportional to 118,269.52, 163,210.60 and 64,554.12 is: 89,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,269.52 : 163,210.60 = 64,554.12 : x
  2. Step 2: Convert to fraction form
    118,269.52/163,210.60 = 64,554.12/x
  3. Step 3: Cross multiply
    118,269.52x = 163,210.60 × 64,554.12
  4. Step 4: Simplify right side
    118,269.52x = 10,535,916,657.67
  5. Step 5: Solve for x
    x = 10,535,916,657.67/118,269.52
  6. Step 6: Final answer
    x = 89,083.96

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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.