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Finding the Fourth Proportional to 162,413.04, 224,133.12 and 90,798.24

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Solution

The fourth proportional to 162,413.04, 224,133.12 and 90,798.24 is: 125,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,413.04 : 224,133.12 = 90,798.24 : x
  2. Step 2: Convert to fraction form
    162,413.04/224,133.12 = 90,798.24/x
  3. Step 3: Cross multiply
    162,413.04x = 224,133.12 × 90,798.24
  4. Step 4: Simplify right side
    162,413.04x = 20,350,892,821.71
  5. Step 5: Solve for x
    x = 20,350,892,821.71/162,413.04
  6. Step 6: Final answer
    x = 125,303.32

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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.