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Finding the Fourth Proportional to 93,319.76, 128,775.72 and 53,027.93

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Solution

The fourth proportional to 93,319.76, 128,775.72 and 53,027.93 is: 73,175.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,319.76 : 128,775.72 = 53,027.93 : x
  2. Step 2: Convert to fraction form
    93,319.76/128,775.72 = 53,027.93/x
  3. Step 3: Cross multiply
    93,319.76x = 128,775.72 × 53,027.93
  4. Step 4: Simplify right side
    93,319.76x = 6,828,710,386.65
  5. Step 5: Solve for x
    x = 6,828,710,386.65/93,319.76
  6. Step 6: Final answer
    x = 73,175.39

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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.