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Finding the Fourth Proportional to 93,762.71, 129,366.95 and 53,461.76

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Solution

The fourth proportional to 93,762.71, 129,366.95 and 53,461.76 is: 73,762.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,762.71 : 129,366.95 = 53,461.76 : x
  2. Step 2: Convert to fraction form
    93,762.71/129,366.95 = 53,461.76/x
  3. Step 3: Cross multiply
    93,762.71x = 129,366.95 × 53,461.76
  4. Step 4: Simplify right side
    93,762.71x = 6,916,184,888.94
  5. Step 5: Solve for x
    x = 6,916,184,888.94/93,762.71
  6. Step 6: Final answer
    x = 73,762.64

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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.