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Finding the Fourth Proportional to 216,946.30, 325,091.40 and 183,485.20

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Solution

The fourth proportional to 216,946.30, 325,091.40 and 183,485.20 is: 274,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,946.30 : 325,091.40 = 183,485.20 : x
  2. Step 2: Convert to fraction form
    216,946.30/325,091.40 = 183,485.20/x
  3. Step 3: Cross multiply
    216,946.30x = 325,091.40 × 183,485.20
  4. Step 4: Simplify right side
    216,946.30x = 59,649,460,547.28
  5. Step 5: Solve for x
    x = 59,649,460,547.28/216,946.30
  6. Step 6: Final answer
    x = 274,950.35

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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.