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Finding the Fourth Proportional to 93,851.65, 129,516.33 and 53,570.76

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Solution

The fourth proportional to 93,851.65, 129,516.33 and 53,570.76 is: 73,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,851.65 : 129,516.33 = 53,570.76 : x
  2. Step 2: Convert to fraction form
    93,851.65/129,516.33 = 53,570.76/x
  3. Step 3: Cross multiply
    93,851.65x = 129,516.33 × 53,570.76
  4. Step 4: Simplify right side
    93,851.65x = 6,938,288,230.51
  5. Step 5: Solve for x
    x = 6,938,288,230.51/93,851.65
  6. Step 6: Final answer
    x = 73,928.25

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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.