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Finding the Fourth Proportional to 94,047.67, 129,785.80 and 53,762.32

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Solution

The fourth proportional to 94,047.67, 129,785.80 and 53,762.32 is: 74,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,047.67 : 129,785.80 = 53,762.32 : x
  2. Step 2: Convert to fraction form
    94,047.67/129,785.80 = 53,762.32/x
  3. Step 3: Cross multiply
    94,047.67x = 129,785.80 × 53,762.32
  4. Step 4: Simplify right side
    94,047.67x = 6,977,585,711.06
  5. Step 5: Solve for x
    x = 6,977,585,711.06/94,047.67
  6. Step 6: Final answer
    x = 74,192.01

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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.