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Finding the Fourth Proportional to 93,225.60, 139,838.40 and 40,737.60

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Solution

The fourth proportional to 93,225.60, 139,838.40 and 40,737.60 is: 61,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,225.60 : 139,838.40 = 40,737.60 : x
  2. Step 2: Convert to fraction form
    93,225.60/139,838.40 = 40,737.60/x
  3. Step 3: Cross multiply
    93,225.60x = 139,838.40 × 40,737.60
  4. Step 4: Simplify right side
    93,225.60x = 5,696,680,803.84
  5. Step 5: Solve for x
    x = 5,696,680,803.84/93,225.60
  6. Step 6: Final answer
    x = 61,106.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.