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Finding the Fourth Proportional to 162,649.80, 224,413.96 and 93,722.32

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Solution

The fourth proportional to 162,649.80, 224,413.96 and 93,722.32 is: 129,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,649.80 : 224,413.96 = 93,722.32 : x
  2. Step 2: Convert to fraction form
    162,649.80/224,413.96 = 93,722.32/x
  3. Step 3: Cross multiply
    162,649.80x = 224,413.96 × 93,722.32
  4. Step 4: Simplify right side
    162,649.80x = 21,032,596,971.59
  5. Step 5: Solve for x
    x = 21,032,596,971.59/162,649.80
  6. Step 6: Final answer
    x = 129,312.16

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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.