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Finding the Fourth Proportional to 194,832.40, 292,248.60 and 128,347.60

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Solution

The fourth proportional to 194,832.40, 292,248.60 and 128,347.60 is: 192,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,832.40 : 292,248.60 = 128,347.60 : x
  2. Step 2: Convert to fraction form
    194,832.40/292,248.60 = 128,347.60/x
  3. Step 3: Cross multiply
    194,832.40x = 292,248.60 × 128,347.60
  4. Step 4: Simplify right side
    194,832.40x = 37,509,406,413.36
  5. Step 5: Solve for x
    x = 37,509,406,413.36/194,832.40
  6. Step 6: Final answer
    x = 192,521.40

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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.