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Finding the Fourth Proportional to 93,615.01, 129,256.37 and 57,854.05

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Solution

The fourth proportional to 93,615.01, 129,256.37 and 57,854.05 is: 79,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,615.01 : 129,256.37 = 57,854.05 : x
  2. Step 2: Convert to fraction form
    93,615.01/129,256.37 = 57,854.05/x
  3. Step 3: Cross multiply
    93,615.01x = 129,256.37 × 57,854.05
  4. Step 4: Simplify right side
    93,615.01x = 7,478,004,492.80
  5. Step 5: Solve for x
    x = 7,478,004,492.80/93,615.01
  6. Step 6: Final answer
    x = 79,880.40

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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.