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Finding the Fourth Proportional to 188,802.22, 260,542.08 and 102,762.88

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Solution

The fourth proportional to 188,802.22, 260,542.08 and 102,762.88 is: 141,810.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,802.22 : 260,542.08 = 102,762.88 : x
  2. Step 2: Convert to fraction form
    188,802.22/260,542.08 = 102,762.88/x
  3. Step 3: Cross multiply
    188,802.22x = 260,542.08 × 102,762.88
  4. Step 4: Simplify right side
    188,802.22x = 26,774,054,501.99
  5. Step 5: Solve for x
    x = 26,774,054,501.99/188,802.22
  6. Step 6: Final answer
    x = 141,810.06

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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.