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Finding the Fourth Proportional to 292,566.60, 403,739.60 and 158,430.60

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Solution

The fourth proportional to 292,566.60, 403,739.60 and 158,430.60 is: 218,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,566.60 : 403,739.60 = 158,430.60 : x
  2. Step 2: Convert to fraction form
    292,566.60/403,739.60 = 158,430.60/x
  3. Step 3: Cross multiply
    292,566.60x = 403,739.60 × 158,430.60
  4. Step 4: Simplify right side
    292,566.60x = 63,964,707,071.76
  5. Step 5: Solve for x
    x = 63,964,707,071.76/292,566.60
  6. Step 6: Final answer
    x = 218,632.98

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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.