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Finding the Fourth Proportional to 255,559.62, 352,663.98 and 146,681.86

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Solution

The fourth proportional to 255,559.62, 352,663.98 and 146,681.86 is: 202,416.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,559.62 : 352,663.98 = 146,681.86 : x
  2. Step 2: Convert to fraction form
    255,559.62/352,663.98 = 146,681.86/x
  3. Step 3: Cross multiply
    255,559.62x = 352,663.98 × 146,681.86
  4. Step 4: Simplify right side
    255,559.62x = 51,729,408,541.40
  5. Step 5: Solve for x
    x = 51,729,408,541.40/255,559.62
  6. Step 6: Final answer
    x = 202,416.21

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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.