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Finding the Fourth Proportional to 93,307.56, 128,764.40 and 50,866.08

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Solution

The fourth proportional to 93,307.56, 128,764.40 and 50,866.08 is: 70,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,307.56 : 128,764.40 = 50,866.08 : x
  2. Step 2: Convert to fraction form
    93,307.56/128,764.40 = 50,866.08/x
  3. Step 3: Cross multiply
    93,307.56x = 128,764.40 × 50,866.08
  4. Step 4: Simplify right side
    93,307.56x = 6,549,740,271.55
  5. Step 5: Solve for x
    x = 6,549,740,271.55/93,307.56
  6. Step 6: Final answer
    x = 70,195.17

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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.