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Finding the Fourth Proportional to 93,225.80, 128,601.06 and 55,492.76

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Solution

The fourth proportional to 93,225.80, 128,601.06 and 55,492.76 is: 76,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,225.80 : 128,601.06 = 55,492.76 : x
  2. Step 2: Convert to fraction form
    93,225.80/128,601.06 = 55,492.76/x
  3. Step 3: Cross multiply
    93,225.80x = 128,601.06 × 55,492.76
  4. Step 4: Simplify right side
    93,225.80x = 7,136,427,758.33
  5. Step 5: Solve for x
    x = 7,136,427,758.33/93,225.80
  6. Step 6: Final answer
    x = 76,549.92

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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.