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Finding the Fourth Proportional to 292,194.54, 438,114.42 and 114,488.64

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Solution

The fourth proportional to 292,194.54, 438,114.42 and 114,488.64 is: 171,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,194.54 : 438,114.42 = 114,488.64 : x
  2. Step 2: Convert to fraction form
    292,194.54/438,114.42 = 114,488.64/x
  3. Step 3: Cross multiply
    292,194.54x = 438,114.42 × 114,488.64
  4. Step 4: Simplify right side
    292,194.54x = 50,159,124,110.19
  5. Step 5: Solve for x
    x = 50,159,124,110.19/292,194.54
  6. Step 6: Final answer
    x = 171,663.45

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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.