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Finding the Fourth Proportional to 207,804.04, 286,806.98 and 117,187.72

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Solution

The fourth proportional to 207,804.04, 286,806.98 and 117,187.72 is: 161,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,804.04 : 286,806.98 = 117,187.72 : x
  2. Step 2: Convert to fraction form
    207,804.04/286,806.98 = 117,187.72/x
  3. Step 3: Cross multiply
    207,804.04x = 286,806.98 × 117,187.72
  4. Step 4: Simplify right side
    207,804.04x = 33,610,256,066.29
  5. Step 5: Solve for x
    x = 33,610,256,066.29/207,804.04
  6. Step 6: Final answer
    x = 161,740.15

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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.