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Finding the Fourth Proportional to 93,395.40, 128,885.51 and 50,953.93

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Solution

The fourth proportional to 93,395.40, 128,885.51 and 50,953.93 is: 70,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,395.40 : 128,885.51 = 50,953.93 : x
  2. Step 2: Convert to fraction form
    93,395.40/128,885.51 = 50,953.93/x
  3. Step 3: Cross multiply
    93,395.40x = 128,885.51 × 50,953.93
  4. Step 4: Simplify right side
    93,395.40x = 6,567,223,059.73
  5. Step 5: Solve for x
    x = 6,567,223,059.73/93,395.40
  6. Step 6: Final answer
    x = 70,316.35

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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.