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Finding the Fourth Proportional to 134,802.60, 202,203.90 and 64,645.80

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Solution

The fourth proportional to 134,802.60, 202,203.90 and 64,645.80 is: 96,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,802.60 : 202,203.90 = 64,645.80 : x
  2. Step 2: Convert to fraction form
    134,802.60/202,203.90 = 64,645.80/x
  3. Step 3: Cross multiply
    134,802.60x = 202,203.90 × 64,645.80
  4. Step 4: Simplify right side
    134,802.60x = 13,071,632,878.62
  5. Step 5: Solve for x
    x = 13,071,632,878.62/134,802.60
  6. Step 6: Final answer
    x = 96,968.70

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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.