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Finding the Fourth Proportional to 93,870.52, 129,541.30 and 56,153.68

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Solution

The fourth proportional to 93,870.52, 129,541.30 and 56,153.68 is: 77,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,870.52 : 129,541.30 = 56,153.68 : x
  2. Step 2: Convert to fraction form
    93,870.52/129,541.30 = 56,153.68/x
  3. Step 3: Cross multiply
    93,870.52x = 129,541.30 × 56,153.68
  4. Step 4: Simplify right side
    93,870.52x = 7,274,220,706.98
  5. Step 5: Solve for x
    x = 7,274,220,706.98/93,870.52
  6. Step 6: Final answer
    x = 77,492.07

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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.