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Finding the Fourth Proportional to 70,368.79, 97,154.16 and 62,802.18

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Solution

The fourth proportional to 70,368.79, 97,154.16 and 62,802.18 is: 86,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,368.79 : 97,154.16 = 62,802.18 : x
  2. Step 2: Convert to fraction form
    70,368.79/97,154.16 = 62,802.18/x
  3. Step 3: Cross multiply
    70,368.79x = 97,154.16 × 62,802.18
  4. Step 4: Simplify right side
    70,368.79x = 6,101,493,044.07
  5. Step 5: Solve for x
    x = 6,101,493,044.07/70,368.79
  6. Step 6: Final answer
    x = 86,707.37

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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.