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Finding the Fourth Proportional to 130,033, 179,445.54 and 70,417

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Solution

The fourth proportional to 130,033, 179,445.54 and 70,417 is: 97,175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,033 : 179,445.54 = 70,417 : x
  2. Step 2: Convert to fraction form
    130,033/179,445.54 = 70,417/x
  3. Step 3: Cross multiply
    130,033x = 179,445.54 × 70,417
  4. Step 4: Simplify right side
    130,033x = 12,636,016,590.18
  5. Step 5: Solve for x
    x = 12,636,016,590.18/130,033
  6. Step 6: Final answer
    x = 97,175.46

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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.