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Finding the Fourth Proportional to 93,333.72, 128,797.76 and 53,051.88

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Solution

The fourth proportional to 93,333.72, 128,797.76 and 53,051.88 is: 73,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,333.72 : 128,797.76 = 53,051.88 : x
  2. Step 2: Convert to fraction form
    93,333.72/128,797.76 = 53,051.88/x
  3. Step 3: Cross multiply
    93,333.72x = 128,797.76 × 53,051.88
  4. Step 4: Simplify right side
    93,333.72x = 6,832,963,307.79
  5. Step 5: Solve for x
    x = 6,832,963,307.79/93,333.72
  6. Step 6: Final answer
    x = 73,210.02

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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.