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Finding the Fourth Proportional to 93,685.61, 129,298.65 and 52,858.11

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Solution

The fourth proportional to 93,685.61, 129,298.65 and 52,858.11 is: 72,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,685.61 : 129,298.65 = 52,858.11 : x
  2. Step 2: Convert to fraction form
    93,685.61/129,298.65 = 52,858.11/x
  3. Step 3: Cross multiply
    93,685.61x = 129,298.65 × 52,858.11
  4. Step 4: Simplify right side
    93,685.61x = 6,834,482,264.55
  5. Step 5: Solve for x
    x = 6,834,482,264.55/93,685.61
  6. Step 6: Final answer
    x = 72,951.25

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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.