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Finding the Fourth Proportional to 287,054.94, 430,581.98 and 97,535.02

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Solution

The fourth proportional to 287,054.94, 430,581.98 and 97,535.02 is: 146,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,054.94 : 430,581.98 = 97,535.02 : x
  2. Step 2: Convert to fraction form
    287,054.94/430,581.98 = 97,535.02/x
  3. Step 3: Cross multiply
    287,054.94x = 430,581.98 × 97,535.02
  4. Step 4: Simplify right side
    287,054.94x = 41,996,822,030.94
  5. Step 5: Solve for x
    x = 41,996,822,030.94/287,054.94
  6. Step 6: Final answer
    x = 146,302.38

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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.