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Finding the Fourth Proportional to 118,802.48, 163,947.54 and 64,354.77

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Solution

The fourth proportional to 118,802.48, 163,947.54 and 64,354.77 is: 88,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,802.48 : 163,947.54 = 64,354.77 : x
  2. Step 2: Convert to fraction form
    118,802.48/163,947.54 = 64,354.77/x
  3. Step 3: Cross multiply
    118,802.48x = 163,947.54 × 64,354.77
  4. Step 4: Simplify right side
    118,802.48x = 10,550,806,228.77
  5. Step 5: Solve for x
    x = 10,550,806,228.77/118,802.48
  6. Step 6: Final answer
    x = 88,809.65

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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.